Richard, Simon, Brook, Chris B., Martel, Hugo, Kawata, Daisuke, Gibson, Brad K., Sanchez-Blazquez, Patricia
We used an N-body smoothed particle hydrodynamics algorithm, with a detailed treatment of star formation, supernovae feedback, and chemical enrichment, to perform eight simulations of mergers between...
Chemodynamical analysis of bulge stars for simulated disc galaxies (2009)
Rahimi, A., Kawata, D., Brook, Chris B., Gibson, Brad K.
We analyse the kinematics and chemistry of the bulge stars of two simulated disc galaxies using our chemodynamical galaxy evolution code GCD+. First we compare stars that are born inside the galaxy...
Are Dry Mergers Dry, Moist, or Wet? (2009)
Sanchez-Blazquez, Patricia, Gibson, Brad K., Kawata, Daisuke, Cardiel, Nicolas, Balcells, Marc
We present a spectral analysis of a sample of red-sequence galaxies identified by van Dokkum (2005) as dry merger remnants and ongoing dry mergers. Kinematics, stellar population absorption features,...
Arrigoni, MatÃas, Trager, Scott C., Somerville, Rachel S., Gibson, Brad K.
We study the metallicities and abundance ratios of early-type galaxies in cosmological semi-analytic models (SAMs) within the hierarchical galaxy formation paradigm. To achieve this we implemented a...
Non-Radiative Test of a New SPH Scheme (2009)
Kawata, Daisuke, Okamoto, Takashi, Cen, Renyue, Gibson, Brad K.
We adapt new schemes of gravitational N-body dynamics and smoothed particle hydrodynamics (SPH) to the tree N-body/SPH galactic chemodynamics code GCD+. The applied new schemes include the adaptive...
The Chemical Evolution of Globular Clusters I. Reactive Elements and Non-Metals (2009)
Marcolini, Andrea, Gibson, Brad K., Karakas, Amanda I., Sanchez-Blazquez, Patricia
We propose a new chemical evolution model aimed at explaining the chemical properties of globular clusters (GC) stars. Our model depends upon the existence of (i) a peculiar pre-enrichment phase in...
Carbon and Nitrogen Abundances in Early-type Galaxies (2008)
Toloba, Elisa, Sanchez-Blazquez, Patricia, Gorgas, Javier, Gibson, Brad K.
For the first time, we undertake a systematic examination of the nitrogen abundances for a sample of 35 early-type galaxies spanning a range of masses and local environment. The nitrogen-sensitive...
Dynamics of substructures in warm dark-matter cosmologies (2008)
Arnold, Bastian, Knebe, Alexander, Power, Chris, Gibson, Brad K.
We performed cosmological simulations based upon both a cold dark matter (CDM) and a warm dark matter (WDM) model. The focus of our investigations lies with selected spatial and kinematic properties...
Hydrodynamical Adaptive Mesh Refinement Simulations of Disk Galaxies (2008)
Gibson, Brad K., Courty, Stephanie, Sanchez-Blazquez, Patricia, Teyssier, Romain, House, Elisa L., Brook, Chris B., ...
To date, fully cosmological hydrodynamic disk simulations to redshift zero have only been undertaken with particle-based codes, such as GADGET, Gasoline, or GCD+. In light of the (supposed)...
The radial alignment of dark matter subhalos: from simulations to observations (2008)
Knebe, Alexander, Yahagi, Hideki, Kase, Hiroyuki, Lewis, Geraint, Gibson, Brad K.
We explore the radial alignment of subhalos in 2-dimensional projections of cosmological simulations. While most other recent studies focussed on quantifying the signal utilizing the full...
Knebe, Alexander, Draganova, Nadya, Power, Chris, Yepes, Gustavo, Hoffman, Yehuda, Gottloeber, Stefan, ...
We explore the dependence of the radial alignment of subhalos on the mass of the host halo they orbit in. As the effect is seen on a broad range of scales including massive clusters as well as...
The Dynamics of Subhalos in Warm Dark Matter Models (2008)
Knebe, Alexander, Arnold, Bastian, Power, Chris, Gibson, Brad K.
We present a comparison of the properties of substructure halos (subhalos) orbiting within host halos that form in Cold Dark Matter (CDM) and Warm Dark Matter (WDM) cosmologies. Our study focuses on...
On the Importance of PhD Institute in Establishing a Long-Term Research Career in Astronomy (2008)
Brad K. Gibson, Michelle Buxton, Emanuel Vassiliadis, Maartje N. Sevenster, D. Heath Jones, Rebecca K. Thornberry
We have examined the success rates of 19 American, Canadian, Australian, and Dutch graduate programs in producing long-term, career, research astronomers. A 20year baseline was considered...
Simulating the Mass-Metallicity Relation from z=1 (2008)
Mouchine, Mustapha, Gibson, Brad K., Renda, Agostino, Kawata, Daisuke
We use 112 N-body/hydrodynamical simulations in the standard Cold Dark Matter universe, to follow the formation of galaxy-sized halos and investigate the chemical enrichment of both the stellar...
The dynamics of subhaloes in warm dark matter models (2008)
Knebe, Alexander, Arnold, Bastian, Power, Chris, Gibson, Brad K.
We present a comparison of the properties of substructure haloes (subhaloes) orbiting within host haloes that form in cold dark matter (CDM) and warm dark matter (WDM) cosmologies. Our study focuses...
The dynamics of subhaloes in warm dark matter models (2008)
Knebe, Alexander, Arnold, Bastian, Power, Chris, Gibson, Brad K.
We present a comparison of the properties of substructure haloes (subhaloes) orbiting within host haloes that form in cold dark matter (CDM) and warm dark matter (WDM) cosmologies. Our study focuses...
Simulating the mass-metallicity relation from z ~1 (2008)
Mouhcine, Mustapha, Gibson, Brad K., Renda, Agostino, Kawata, Daisuke
The chemical properties of galaxies and their evolution as a function of cosmic epoch are powerful constraints on their evolutionary histories. This work provides a grid of numerical models for...
Simulating the mass-metallicity relation from z ~1 (2008)
Mouhcine, Mustapha, Gibson, Brad K., Renda, Agostino, Kawata, Daisuke
The chemical properties of galaxies and their evolution as a function of cosmic epoch are powerful constraints on their evolutionary histories. This work provides a grid of numerical models for...
The dynamics of subhaloes in warm dark matter models (2008)
Knebe, Alexander, Arnold, Bastian, Power, Chris, Gibson, Brad K.
We present a comparison of the properties of substructure haloes (subhaloes) orbiting within host haloes that form in cold dark matter (CDM) and warm dark matter (WDM) cosmologies. Our study focuses...
Simulating the mass-metallicity relation from z ~1 (2008)
Mouhcine, Mustapha, Gibson, Brad K., Renda, Agostino, Kawata, Daisuke
The chemical properties of galaxies and their evolution as a function of cosmic epoch are powerful constraints on their evolutionary histories. This work provides a grid of numerical models for...
Simulating the mass-metallicity relation from z ~1 (2008)
Mouhcine, Mustapha, Gibson, Brad K., Renda, Agostino, Kawata, Daisuke
The chemical properties of galaxies and their evolution as a function of cosmic epoch are powerful constraints on their evolutionary histories. This work provides a grid of numerical models for...
The anisotropic distribution of satellite galaxies (2008)
Bailin, Jeremy, Power, Chris, Norberg, Peder, Zaritsky, Dennis, Gibson, Brad K.
We identify satellites of isolated galaxies in the Sloan Digital Sky Survey and examine their angular distribution. Using mock catalogues generated from cosmological N-body simulations, we...
The anisotropic distribution of satellite galaxies (2008)
Bailin, Jeremy, Power, Chris, Norberg, Peder, Zaritsky, Dennis, Gibson, Brad K.
We identify satellites of isolated galaxies in the Sloan Digital Sky Survey and examine their angular distribution. Using mock catalogues generated from cosmological N-body simulations, we...
The anisotropic distribution of satellite galaxies (2008)
Bailin, Jeremy, Power, Chris, Norberg, Peder, Zaritsky, Dennis, Gibson, Brad K.
We identify satellites of isolated galaxies in the Sloan Digital Sky Survey and examine their angular distribution. Using mock catalogues generated from cosmological N-body simulations, we...
The anisotropic distribution of satellite galaxies (2008)
Bailin, Jeremy, Power, Chris, Norberg, Peder, Zaritsky, Dennis, Gibson, Brad K.
We identify satellites of isolated galaxies in the Sloan Digital Sky Survey and examine their angular distribution. Using mock catalogues generated from cosmological N-body simulations, we...
The radial velocity experiment (rave): second data release (2008)
Zwitter, Tomaz, Siebert, Arnaud, Munari, Ulisse, Freeman, Kenneth C., Siviero, Alessandro, Watson, Fred G., ...
We present the second data release of the Radial Velocity Experiment (RAVE), an ambitious spectroscopic survey to measure radial velocities and stellar atmosphere parameters (temperature,...
The dynamics of subhaloes in warm dark matter models (2008)
Knebe, Alexander, Arnold, Bastian, Power, Chris, Gibson, Brad K.
We present a comparison of the properties of substructure haloes (subhaloes) orbiting within host haloes that form in cold dark matter (CDM) and warm dark matter (WDM) cosmologies. Our study focuses...
Simulating the mass-metallicity relation from z ~1 (2008)
Mouhcine, Mustapha, Gibson, Brad K., Renda, Agostino, Kawata, Daisuke
The chemical properties of galaxies and their evolution as a function of cosmic epoch are powerful constraints on their evolutionary histories. This work provides a grid of numerical models for...
The anisotropic distribution of satellite galaxies (2008)
Bailin, Jeremy, Power, Chris, Norberg, Peder, Zaritsky, Dennis, Gibson, Brad K.
We identify satellites of isolated galaxies in the Sloan Digital Sky Survey and examine their angular distribution. Using mock catalogues generated from cosmological N-body simulations, we...
The radial velocity experiment (RAVE): second data release (2008)
Zwitter, Tomaz, Siebert, Arnaud, Munari, Ulisse, Freeman, Kenneth C., Siviero, Alessandro, Watson, Fred G., ...
We present the second data release of the Radial Velocity Experiment (RAVE), an ambitious spectroscopic survey to measure radial velocities and stellar atmosphere parameters (temperature,...
Orange High School, P. O. Box 654, Orange, NSW 2800, Australia (2007)
Tr Al Ia, Brad K. Gibson, Michelle Buxton, Emanuel Vassiliadis, Maartje N. Sevenster, D. Heath Jones, ...
We have examined the success rates of 19 American, Canadian, Australian, and Dutch graduate programs in producing long-term, career, research astronomers. A 20-year baseline was considered...
Chemical Abundances in Clusters of Galaxies (2007)
Francesca Matteucci, Brad K. Gibson
. We study the origin of iron and ff-elements (O, Mg, Si) in clusters of galaxies. In particular, we discuss the [O/Fe] ratio and the iron mass-to-luminosity ratio in the intracluster medium (ICM)...
Time-Delay Integration Ccd Readout Technique: Image Deformation (2007)
Gibson And, Paul Hickson, Brad K. Gibson, Brad K. Gibson
this report is not exhaustive, but is meant only to draw attention to several drawbacks to direct imaging with a CCD in the TDI mode. A complete systematic overview of the problem hinges upon access...
Liquid Mirror Telescopes: History (2007)
A history of Liquid Mirror Telescope (LMT) experimentation is provided. The concept can be traced to Ernesto Capocci of the Naples Observatory (1850), but it was not until 1872 that Henry Skey of the...
The Spatial Distribution of the Galactic First Stars. I. High-Resolution N-Body Approach (2007)
Scannapieco, Evan, Kawata, Daisuke, Brook, Chris B., Schneider, Raffaella, Ferrara, Andrea, Gibson, Brad K.
We study the spatial distribution of Galactic metal-free stars by combining an extremely high-resolution (7.8 X 10^5 solar masses per particle) Cold Dark Matter N-body simulation of the Milky-Way...
Self-consistent massive disks in triaxial dark matter halos (2007)
Bailin, Jeremy, Simon, Joshua D., Bolatto, Alberto D., Gibson, Brad K., Power, Chris
Galactic disks in triaxial dark matter halos become deformed by the elliptical potential in the plane of the disk in such a way as to counteract the halo ellipticity. We develop a technique to...
The Anisotropic Distribution of Satellite Galaxies (2007)
Bailin, Jeremy, Power, Chris, Norberg, Peder, Zaritsky, Dennis, Gibson, Brad K.
We identify satellites of isolated galaxies in SDSS and examine their angular distribution. Using mock catalogues generated from cosmological N-body simulations, we demonstrate that the selection...
Self-consistent massive disks in triaxial dark matter halos (2007)
Bailin, Jeremy, Simon, Josh D., Bolatto, Alberto D., Gibson, Brad K., Power, Chris
Galactic disks in triaxial dark matter halos become deformed by the elliptical potential in the plane of the disk in such a way as to counteract the halo ellipticity. We develop a technique to...
The Chemistry of the Local Group (2007)
Simulations of the chemical enrichment histories of ten Local Group (LG) dwarf galaxies are presented, employing empirically-derived star formation histories (SFHs), a rich network of isotopic and...
Brook, Chris B., Kawata, Daisuke, Scannapieco, Evan S., Martel, Hugo, Gibson, Brad K.
Abstract not available.
Two disk components from a gas-rich disk-disk merger (2007)
Brook, Chris B., Richard, Simon, Kawata, Daisuke, Martel, Hugo, Gibson, Brad K.
We employ N-body, smoothed particle hydrodynamic simulations, including detailed treatment of chemical enrichment, to follow a gas-rich merger that results in a galaxy with disk morphology. We trace...
Self-consistent massive disks in triaxial dark matter halos (2007)
Bailin, Jeremy, Simon, Joshua D., Bolatto, Alberto D., Gibson, Brad K., Power, Chris
Galactic disks in triaxial dark matter halos become deformed by the elliptical potential in the plane of the disk in such a way as to counteract the halo ellipticity. We develop a technique to...
Brook, Chris B., Kawata, Daisuke, Scannapieco, Evan S., Martel, Hugo, Gibson, Brad K.
Abstract not available.
Self-consistent massive disks in triaxial dark matter halos (2007)
Bailin, Jeremy, Simon, Joshua D., Bolatto, Alberto D., Gibson, Brad K., Power, Chris
Galactic disks in triaxial dark matter halos become deformed by the elliptical potential in the plane of the disk in such a way as to counteract the halo ellipticity. We develop a technique to...
Two disk components from a gas-rich disk-disk merger (2007)
Brook, Chris B., Richard, Simon, Kawata, Daisuke, Martel, Hugo, Gibson, Brad K.
We employ N-body, smoothed particle hydrodynamic simulations, including detailed treatment of chemical enrichment, to follow a gas-rich merger that results in a galaxy with disk morphology. We trace...
Brook, Chris B., Kawata, Daisuke, Scannapieco, Evan S., Martel, Hugo, Gibson, Brad K.
Abstract not available.
Self-consistent massive disks in triaxial dark matter halos (2007)
Bailin, Jeremy, Simon, Joshua D., Bolatto, Alberto D., Gibson, Brad K., Power, Chris
Galactic disks in triaxial dark matter halos become deformed by the elliptical potential in the plane of the disk in such a way as to counteract the halo ellipticity. We develop a technique to...
Two disk components from a gas-rich disk-disk merger (2007)
Brook, Chris B., Richard, Simon, Kawata, Daisuke, Martel, Hugo, Gibson, Brad K.
We employ N-body, smoothed particle hydrodynamic simulations, including detailed treatment of chemical enrichment, to follow a gas-rich merger that results in a galaxy with disk morphology. We trace...
Two disk components from a gas-rich disk-disk merger (2007)
Brook, Chris B., Richard, Simon, Kawata, Daisuke, Martel, Hugo, Gibson, Brad K.
We employ N-body, smoothed particle hydrodynamic simulations, including detailed treatment of chemical enrichment, to follow a gas-rich merger that results in a galaxy with disk morphology. We trace...
Brook, Chris B., Kawata, Daisuke, Scannapieco, Evan S., Martel, Hugo, Gibson, Brad K.
Abstract not available.
Self-consistent massive disks in triaxial dark matter halos (2007)
Bailin, Jeremy, Simon, Joshua D., Bolatto, Alberto D., Gibson, Brad K., Power, Chris
Galactic disks in triaxial dark matter halos become deformed by the elliptical potential in the plane of the disk in such a way as to counteract the halo ellipticity. We develop a technique to...
Studying galaxy formation in loose galaxy groups (2007)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C., Kilborn, Virginia A.
We present the results of our Hi survey of six loose groups of galaxies analogous to the Local Group. The survey was conducted using the Parkes telescope and the Australia Telescope Compact Array to...
Studying galaxy formation in loose galaxy groups (2007)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C., Kilborn, Virginia A.
We present the results of our Hi survey of six loose groups of galaxies analogous to the Local Group. The survey was conducted using the Parkes telescope and the Australia Telescope Compact Array to...
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C., Kilborn, Virginia A.
We have conducted an H I 21 cm emission-line survey using the Parkes 20 cm multibeam instrument and the Australia Telescope Compact Array (ATCA) of six loose groups of galaxies chosen to be analogs...
HI in local group analogs: what does it tell us about galaxy formation? (2007)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Kenneth C., Kilborn, V. A.
We present the results of our HI survey of six loose groups of galaxies analogous to the Local Group. The survey was conducted using the Parkes telescope and the Australia Telescope Compact Array to...
Brook, Chris B., Kawata, Daisuke, Scannapieco, Evan S., Martel, Hugo, Gibson, Brad K.
Abstract not available.
Two disk components from a gas-rich disk-disk merger (2007)
Brook, Chris B., Richard, Simon, Kawata, Daisuke, Martel, Hugo, Gibson, Brad K.
We employ N-body, smoothed particle hydrodynamic simulations, including detailed treatment of chemical enrichment, to follow a gas-rich merger that results in a galaxy with disk morphology. We trace...
Self-consistent massive disks in triaxial dark matter halos (2007)
Bailin, Jeremy, Simon, Joshua D., Bolatto, Alberto D., Gibson, Brad K., Power, Chris
Galactic disks in triaxial dark matter halos become deformed by the elliptical potential in the plane of the disk in such a way as to counteract the halo ellipticity. We develop a technique to...
Studying galaxy formation in loose galaxy groups (2007)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C., Kilborn, Virginia A.
We present the results of our Hi survey of six loose groups of galaxies analogous to the Local Group. The survey was conducted using the Parkes telescope and the Australia Telescope Compact Array to...
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C., Kilborn, Virginia A.
We have conducted an H I 21 cm emission-line survey using the Parkes 20 cm multibeam instrument and the Australia Telescope Compact Array (ATCA) of six loose groups of galaxies chosen to be analogs...
HI in local group analogs: what does it tell us about galaxy formation? (2007)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Kenneth C., Kilborn, V. A.
We present the results of our HI survey of six loose groups of galaxies analogous to the Local Group. The survey was conducted using the Parkes telescope and the Australia Telescope Compact Array to...
Galactic Sodium from AGB Stars (2006)
Izzard, Robert G., Gibson, Brad K., Stancliffe, Richard J.
Galactic chemical evolution models which include sodium from type II supernovae alone underestimate the abundance of sodium in the interstellar medium by a factor of two to three over about 3 dex in...
The Spatial Distribution of the Galactic First Stars II: SPH Approach (2006)
Brook, Chris B., Kawata, Daisuke, Scannapieco, Evan, Martel, Hugo, Gibson, Brad K.
We use cosmological, chemo-dynamical, smoothed particle hydrodynamical simulations of Milky-Way-analogue galaxies to find the expected present-day distributions of both metal-free stars that formed...
The Spatial Distribution of the Galactic First Stars I: High-Resolution N-body Approach (2006)
Scannapieco, Evan, Kawata, Daisuke, Brook, Chris B., Schneider, Raffaella, Ferrara, Andrea, Gibson, Brad K.
We study the spatial distribution of Galactic metal-free stars by combining an extremely high-resolution (7.8 X 10^5 solar masses per particle) Cold Dark Matter N-body simulation of the Milky-Way...
Chemical Evolution of the Galactic Bulge (2006)
Gibson, Brad K., MacDonald, Angela J., Sanchez-Blazquez, Patricia, Carigi, Leticia
Adopting a single-zone framework, with accretion of primordial gas on a free-fall timescale, the chemical evolution of the Galactic bulge is calculated, assuming (i) a corresponding rapid timescale...
Two Disk Components from a Gas Rich Disk-Disk Merger (2006)
Brook, Chris, Richard, Simon, Kawata, Daisuke, Martel, Hugo, Gibson, Brad K.
We employ N-body, smoothed particle hydrodynamical simulations, including detailed treatment of chemical enrichment, to follow a gas-rich merger which results in a galaxy with disk morphology. We...
Chemodynamical Simulations of Elliptical Galaxies (2006)
Gibson, Brad K., Sanchez-Blazquez, Patricia, Courty, Stephanie, Kawata, Daisuke
We review recent developments in the field of chemodynamical simulations of elliptical galaxies, highlighting (in an admittedly biased fashion) the work conducted with our cosmological N-body/SPH...
Are Red Tidal Features Unequivocal Signatures of Major Dry Mergers? (2006)
Kawata, Daisuke., Mulchaey, John S., Gibson, Brad K., Sanchez-Blazquez, Patricia
We use a cosmological numerical simulation to study the tidal features produced by a minor merger with an elliptical galaxy. We find that the simulated tidal features are quantitatively similar to...
Cosmological implications of dwarf spheroidal chemical evolution (2006)
Fenner, Yeshe, Gibson, Brad K., Gallino, Roberto, Lugaro, Maria
The chemical properties of dwarf spheroidals in the local group are shown to be inconsistent with star formation being truncated after the reionization epoch (z~8). Enhanced levels of [Ba/Y] in stars...
MACHOs in dark matter haloes (2006)
Holopainen, Janne, Flynn, Chris, Knebe, Alexander, Gill, Stuart P., Gibson, Brad K.
Using eight dark matter haloes extracted from fully-self consistent cosmological N-body simulations, we perform microlensing experiments. A hypothetical observer is placed at a distance of 8.5 kpc...
Disk evolution since z-1 in a CDM universe (2006)
Brook, Chris B., Kawata, Daisuke, Martel, Hugo, Gibson, Brad K., Bailin, Jeremy
Increasingly large populations of disk galaxies are now being observed at increasingly high redshifts, providing new constraints on our knowledge of how such galaxies evolve. Are these observations...
On the origin of anomalous velocity clouds in the milky way (2006)
Connors, Tim W., Kawata, Daisuke, Bailin, Jeremy, Tumlinson, Jason, Gibson, Brad K.
We report that neutral hydrogen (H I) gas clouds, resembling high-velocity clouds (HVCs) observed in the Milky Way (MW), appear in MW-sized disk galaxies formed in high-resolution Lambda cold dark...
N-body simulations of the Magellanic stream (2006)
Connors, Tim W., Kawata, Daisuke, Gibson, Brad K.
A suite of high-resolution N-body simulations of the Magellanic Clouds-Milky Way system are presented and compared directly with newly available data from the H I Parkes All-Sky Survey (HIPASS). We...
Origin of two distinct populations in dwarf spheroidal galaxies (2006)
Kawata, Daisuke, Arimoto, Nobuo, Cen, Renyue, Gibson, Brad K.
We study the chemical and kinematic properties of the first galaxies that formed at high redshift, using high-resolution cosmological numerical simulations, and compare them with the recent...
Knebe, Alexander, Power, Chris, Gill, Stuart P., Gibson, Brad K.
We investigate the importance of interactions between dark matter substructures for the mass loss they suffer whilst orbiting within a sample of high-resolution galaxy cluster mass cold dark matter...
Evidence for chimney breakout in the galactic supershell GSH 242-03+37 (2006)
McClure-Griffiths, Naomi M., Ford, Alyson, Pisano, Daniel J., Gibson, Brad K., Staveley-Smith, Lister, Calabretta, Mark R., ...
We present new high-resolution neutral hydrogen (H I) images of the Galactic supershell GSH 242-03+37. These data were obtained with the Parkes Radiotelescope as part of the Galactic All-Sky Survey...
The spatial distribution of the Galactic first stars I : high-resolution N-body approach (2006)
Scannapieco, Evan, Kawata, Daisuke, Brook, Chris B., Schneider, Raffaella, Ferrara, Andrea, Gibson, Brad K., ...
Abstract not available.
The radial velocity experiment (RAVE) : first data release (2006)
Steinmetz, Matthias, Zwitter, Tomaz, Siebert, Arnaud, Watson, Fred G., Freeman, Kenneth C., Munari, Ulisse, ...
We present the first data release of the Radial Velocity Experiment (RAVE), an ambitious spectroscopic survey to measure radial velocities and stellar atmosphere parameters (temperature, metallicity,...
The galactic nature of high-velocity cloud complex WB (2006)
Thom, Chris, Putman, Mary E., Gibson, Brad K., Christlieb, Norbert, Flynn, Chris, Beers, Timothy C., ...
Abstract not available.
The Northern HIPASS catalogue : data presentation, completeness and reliability measures (2006)
Wong, O. I., Ryan-Weber, Emma V., Garcia-Appadoo, D. A., Webster, Rachel L., Staveley-Smith, Lister, Zwaan, Martin A., ...
Abstract not available.
Spitzer/MIPS infrared imaging of M31 : further evidence for a spiral-ring composite structure (2006)
Gordon, Karl D., Bailin, Jeremy, Engelbracht, Charles W., Rieke, George H., Misselt, Karl A., Latter, William B., ...
New images of M31 at 24, 70, and 160 µm taken with the Multiband Imaging Photometer for Spitzer (MIPS) reveal the morphology of the dust in this galaxy. This morphology is well represented by a...
The spatial distribution of the Galactic first stars I : high-resolution N-body approach (2006)
Scannapieco, Evan, Kawata, Daisuke, Brook, Chris B., Schneider, Raffaella, Ferrara, Andrea, Gibson, Brad K.
Abstract not available.
The Northern HIPASS catalogue : data presentation, completeness and reliability measures (2006)
Wong, O. I., Ryan-Weber, Emma V., Garcia-Appadoo, D. A., Webster, Rachel L., Staveley-Smith, Lister, Zwaan, Martin A., ...
Abstract not available.
The radial velocity experiment (RAVE) : first data release (2006)
Steinmetz, Matthias, Zwitter, Tomaz, Siebert, Arnaud, Watson, Fred G., Freeman, Kenneth C., Munari, Ulisse, ...
We present the first data release of the Radial Velocity Experiment (RAVE), an ambitious spectroscopic survey to measure radial velocities and stellar atmosphere parameters (temperature, metallicity,...
The galactic nature of high-velocity cloud complex WB (2006)
Thom, Chris, Putman, Mary E., Gibson, Brad K., Christlieb, Norbert, Flynn, Chris, Beers, Timothy C., ...
Abstract not available.
Spitzer/MIPS infrared imaging of M31 : further evidence for a spiral-ring composite structure (2006)
Gordon, Karl D., Bailin, Jeremy, Engelbracht, Charles W., Rieke, George H., Misselt, Karl A., Latter, William B., ...
New images of M31 at 24, 70, and 160 µm taken with the Multiband Imaging Photometer for Spitzer (MIPS) reveal the morphology of the dust in this galaxy. This morphology is well represented by a...
Evidence for chimney breakout in the galactic supershell GSH 242-03+37 (2006)
McClure-Griffiths, Naomi M., Ford, Alyson, Pisano, Daniel J., Gibson, Brad K., Staveley-Smith, Lister, Calabretta, Mark R., ...
We present new high-resolution neutral hydrogen (H I) images of the Galactic supershell GSH 242-03+37. These data were obtained with the Parkes Radiotelescope as part of the Galactic All-Sky Survey...
Disk evolution since z-1 in a CDM universe (2006)
Brook, Chris B., Kawata, Daisuke, Martel, Hugo, Gibson, Brad K., Bailin, Jeremy
Increasingly large populations of disk galaxies are now being observed at increasingly high redshifts, providing new constraints on our knowledge of how such galaxies evolve. Are these observations...
Origin of two distinct populations in dwarf spheroidal galaxies (2006)
Kawata, Daisuke, Arimoto, Nobuo, Cen, Renyue, Gibson, Brad K.
We study the chemical and kinematic properties of the first galaxies that formed at high redshift, using high-resolution cosmological numerical simulations, and compare them with the recent...
Are red tidal features unequivocal signatures of major dry mergers? (2006)
Kawata, Daisuke, Mulchaey, John S., Gibson, Brad K., Sanchez-Blazquez, Patricia
Abstract not available.
Knebe, Alexander, Power, Chris, Gill, Stuart P., Gibson, Brad K.
We investigate the importance of interactions between dark matter substructures for the mass loss they suffer whilst orbiting within a sample of high-resolution galaxy cluster mass cold dark matter...
On the origin of anomalous velocity clouds in the milky way (2006)
Connors, Tim W., Kawata, Daisuke, Bailin, Jeremy, Tumlinson, Jason, Gibson, Brad K.
We report that neutral hydrogen (H I) gas clouds, resembling high-velocity clouds (HVCs) observed in the Milky Way (MW), appear in MW-sized disk galaxies formed in high-resolution Lambda cold dark...
N-body simulations of the Magellanic stream (2006)
Connors, Tim W., Kawata, Daisuke, Gibson, Brad K.
A suite of high-resolution N-body simulations of the Magellanic Clouds-Milky Way system are presented and compared directly with newly available data from the H I Parkes All-Sky Survey (HIPASS). We...
The spatial distribution of the Galactic first stars I : high-resolution N-body approach (2006)
Scannapieco, Evan, Kawata, Daisuke, Brook, Chris B., Schneider, Raffaella, Ferrara, Andrea, Gibson, Brad K.
Abstract not available.
The Northern HIPASS catalogue : data presentation, completeness and reliability measures (2006)
Wong, O. I., Ryan-Weber, Emma V., Garcia-Appadoo, D. A., Webster, Rachel L., Staveley-Smith, Lister, Zwaan, Martin A., ...
Abstract not available.
The radial velocity experiment (RAVE) : first data release (2006)
Steinmetz, Matthias, Zwitter, Tomaz, Siebert, Arnaud, Watson, Fred G., Freeman, Kenneth C., Munari, Ulisse, ...
We present the first data release of the Radial Velocity Experiment (RAVE), an ambitious spectroscopic survey to measure radial velocities and stellar atmosphere parameters (temperature, metallicity,...
The galactic nature of high-velocity cloud complex WB (2006)
Thom, Chris, Putman, Mary E., Gibson, Brad K., Christlieb, Norbert, Flynn, Chris, Beers, Timothy C., ...
Abstract not available.
Spitzer/MIPS infrared imaging of M31 : further evidence for a spiral-ring composite structure (2006)
Gordon, Karl D., Bailin, Jeremy, Engelbracht, Charles W., Rieke, George H., Misselt, Karl A., Latter, William B., ...
New images of M31 at 24, 70, and 160 µm taken with the Multiband Imaging Photometer for Spitzer (MIPS) reveal the morphology of the dust in this galaxy. This morphology is well represented by a...
Evidence for chimney breakout in the galactic supershell GSH 242-03+37 (2006)
McClure-Griffiths, Naomi M., Ford, Alyson, Pisano, Daniel J., Gibson, Brad K., Staveley-Smith, Lister, Calabretta, Mark R., ...
We present new high-resolution neutral hydrogen (H I) images of the Galactic supershell GSH 242-03+37. These data were obtained with the Parkes Radiotelescope as part of the Galactic All-Sky Survey...
Disk evolution since z-1 in a CDM universe (2006)
Brook, Chris B., Kawata, Daisuke, Martel, Hugo, Gibson, Brad K., Bailin, Jeremy
Increasingly large populations of disk galaxies are now being observed at increasingly high redshifts, providing new constraints on our knowledge of how such galaxies evolve. Are these observations...
Origin of two distinct populations in dwarf spheroidal galaxies (2006)
Kawata, Daisuke, Arimoto, Nobuo, Cen, Renyue, Gibson, Brad K.
We study the chemical and kinematic properties of the first galaxies that formed at high redshift, using high-resolution cosmological numerical simulations, and compare them with the recent...
Knebe, Alexander, Power, Chris, Gill, Stuart P., Gibson, Brad K.
We investigate the importance of interactions between dark matter substructures for the mass loss they suffer whilst orbiting within a sample of high-resolution galaxy cluster mass cold dark matter...
On the origin of anomalous velocity clouds in the milky way (2006)
Connors, Tim W., Kawata, Daisuke, Bailin, Jeremy, Tumlinson, Jason, Gibson, Brad K.
We report that neutral hydrogen (H I) gas clouds, resembling high-velocity clouds (HVCs) observed in the Milky Way (MW), appear in MW-sized disk galaxies formed in high-resolution Lambda cold dark...
N-body simulations of the Magellanic stream (2006)
Connors, Tim W., Kawata, Daisuke, Gibson, Brad K.
A suite of high-resolution N-body simulations of the Magellanic Clouds-Milky Way system are presented and compared directly with newly available data from the H I Parkes All-Sky Survey (HIPASS). We...
Disk evolution since z-1 in a CDM universe (2006)
Brook, Chris B., Kawata, Daisuke, Martel, Hugo, Gibson, Brad K., Bailin, Jeremy
Increasingly large populations of disk galaxies are now being observed at increasingly high redshifts, providing new constraints on our knowledge of how such galaxies evolve. Are these observations...
On the origin of anomalous velocity clouds in the milky way (2006)
Connors, Tim W., Kawata, Daisuke, Bailin, Jeremy, Tumlinson, Jason, Gibson, Brad K.
We report that neutral hydrogen (H I) gas clouds, resembling high-velocity clouds (HVCs) observed in the Milky Way (MW), appear in MW-sized disk galaxies formed in high-resolution Lambda cold dark...
N-body simulations of the Magellanic stream (2006)
Connors, Tim W., Kawata, Daisuke, Gibson, Brad K.
A suite of high-resolution N-body simulations of the Magellanic Clouds-Milky Way system are presented and compared directly with newly available data from the H I Parkes All-Sky Survey (HIPASS). We...
Origin of two distinct populations in dwarf spheroidal galaxies (2006)
Kawata, Daisuke, Arimoto, Nobuo, Cen, Renyue, Gibson, Brad K.
We study the chemical and kinematic properties of the first galaxies that formed at high redshift, using high-resolution cosmological numerical simulations, and compare them with the recent...
Knebe, Alexander, Power, Chris, Gill, Stuart P., Gibson, Brad K.
We investigate the importance of interactions between dark matter substructures for the mass loss they suffer whilst orbiting within a sample of high-resolution galaxy cluster mass cold dark matter...
Evidence for chimney breakout in the galactic supershell GSH 242-03+37 (2006)
McClure-Griffiths, Naomi M., Ford, Alyson, Pisano, Daniel J., Gibson, Brad K., Staveley-Smith, Lister, Calabretta, Mark R., ...
We present new high-resolution neutral hydrogen (H I) images of the Galactic supershell GSH 242-03+37. These data were obtained with the Parkes Radiotelescope as part of the Galactic All-Sky Survey...
The spatial distribution of the Galactic first stars I : high-resolution N-body approach (2006)
Scannapieco, Evan, Kawata, Daisuke, Brook, Chris B., Schneider, Raffaella, Ferrara, Andrea, Gibson, Brad K.
Abstract not available.
The radial velocity experiment (RAVE) : first data release (2006)
Steinmetz, Matthias, Zwitter, Tomaz, Siebert, Arnaud, Watson, Fred G., Freeman, Kenneth C., Munari, Ulisse, ...
We present the first data release of the Radial Velocity Experiment (RAVE), an ambitious spectroscopic survey to measure radial velocities and stellar atmosphere parameters (temperature, metallicity,...
The galactic nature of high-velocity cloud complex WB (2006)
Thom, Chris, Putman, Mary E., Gibson, Brad K., Christlieb, Norbert, Flynn, Chris, Beers, Timothy C., ...
Abstract not available.
The Northern HIPASS catalogue : data presentation, completeness and reliability measures (2006)
Wong, O. I., Ryan-Weber, Emma V., Garcia-Appadoo, D. A., Webster, Rachel L., Staveley-Smith, Lister, Zwaan, Martin A., ...
Abstract not available.
Spitzer/MIPS infrared imaging of M31 : further evidence for a spiral-ring composite structure (2006)
Gordon, Karl D., Bailin, Jeremy, Engelbracht, Charles W., Rieke, George H., Misselt, Karl A., Latter, William B., ...
New images of M31 at 24, 70, and 160 µm taken with the Multiband Imaging Photometer for Spitzer (MIPS) reveal the morphology of the dust in this galaxy. This morphology is well represented by a...
The Northern HIPASS catalogue : data presentation, completeness and reliability measures (2006)
Wong, O. I., Ryan-Weber, Emma V., Garcia-Appadoo, D. A., Webster, R. L., Staveley-Smith, Lister, ...
The Northern HIPASS catalogue (NHICAT) is the northern extension of the HIPASS catalogue, HICAT. This extension adds the sky area between the declination (Dec.) range of +2° < δ < +25°30' to...
The Northern HIPASS catalogue : data presentation, completeness and reliability measures (2006)
Wong, O. I., Ryan-Weber, Emma V., Garcia-Appadoo, D. A., Webster, R. L., Staveley-Smith, Lister, ...
The Northern HIPASS catalogue (NHICAT) is the northern extension of the HIPASS catalogue, HICAT. This extension adds the sky area between the declination (Dec.) range of +2° < δ < +25°30' to...
Disk evolution since z-1 in a CDM universe (2006)
Brook, Chris B., Kawata, Daisuke, Martel, Hugo, Gibson, Brad K., Bailin, Jeremy
Increasingly large populations of disk galaxies are now being observed at increasingly high redshifts, providing new constraints on our knowledge of how such galaxies evolve. Are these observations...
On the origin of anomalous velocity clouds in the milky way (2006)
Connors, Tim W., Kawata, Daisuke, Bailin, Jeremy, Tumlinson, Jason, Gibson, Brad K.
We report that neutral hydrogen (H I) gas clouds, resembling high-velocity clouds (HVCs) observed in the Milky Way (MW), appear in MW-sized disk galaxies formed in high-resolution Lambda cold dark...
N-body simulations of the Magellanic stream (2006)
Connors, Tim W., Kawata, Daisuke, Gibson, Brad K.
A suite of high-resolution N-body simulations of the Magellanic Clouds-Milky Way system are presented and compared directly with newly available data from the H I Parkes All-Sky Survey (HIPASS). We...
Evidence for chimney breakout in the galactic supershell GSH 242-03+37 (2006)
McClure-Griffiths, Naomi M., Ford, Alyson, Pisano, Daniel J., Gibson, Brad K., Staveley-Smith, Lister, Calabretta, Mark R., ...
We present new high-resolution neutral hydrogen (H I) images of the Galactic supershell GSH 242-03+37. These data were obtained with the Parkes Radiotelescope as part of the Galactic All-Sky Survey...
Origin of two distinct populations in dwarf spheroidal galaxies (2006)
Kawata, Daisuke, Arimoto, Nobuo, Cen, Renyue, Gibson, Brad K.
We study the chemical and kinematic properties of the first galaxies that formed at high redshift, using high-resolution cosmological numerical simulations, and compare them with the recent...
The spatial distribution of the Galactic first stars I : high-resolution N-body approach (2006)
Scannapieco, Evan, Kawata, Daisuke, Brook, Chris B., Schneider, Raffaella, Ferrara, Andrea, Gibson, Brad K.
Abstract not available.
Are red tidal features unequivocal signatures of major dry mergers? (2006)
Kawata, Daisuke, Mulchaey, John S., Gibson, Brad K., Sanchez-Blazquez, Patricia
Abstract not available.
The Northern HIPASS catalogue : data presentation, completeness and reliability measures (2006)
Wong, O. I., Ryan-Weber, Emma V., Garcia-Appadoo, D. A., Webster, Rachel L., Staveley-Smith, Lister, Zwaan, Martin A., ...
Abstract not available.
Knebe, Alexander, Power, Chris, Gill, Stuart P., Gibson, Brad K.
We investigate the importance of interactions between dark matter substructures for the mass loss they suffer whilst orbiting within a sample of high-resolution galaxy cluster mass cold dark matter...
The radial velocity experiment (RAVE) : first data release (2006)
Steinmetz, Matthias, Zwitter, Tomaz, Siebert, Arnaud, Watson, Fred G., Freeman, Kenneth C., Munari, Ulisse, ...
We present the first data release of the Radial Velocity Experiment (RAVE), an ambitious spectroscopic survey to measure radial velocities and stellar atmosphere parameters (temperature, metallicity,...
The galactic nature of high-velocity cloud complex WB (2006)
Thom, Chris, Putman, Mary E., Gibson, Brad K., Christlieb, Norbert, Flynn, Chris, Beers, Timothy C., ...
Abstract not available.
Spitzer/MIPS infrared imaging of M31 : further evidence for a spiral-ring composite structure (2006)
Gordon, Karl D., Bailin, Jeremy, Engelbracht, Charles W., Rieke, George H., Misselt, Karl A., Latter, William B., ...
New images of M31 at 24, 70, and 160 µm taken with the Multiband Imaging Photometer for Spitzer (MIPS) reveal the morphology of the dust in this galaxy. This morphology is well represented by a...
Gas Rich Mergers in Disk Formation (2005)
Brook, Chris B., Veilleux, Vincent, Kawata, Daisuke, Martel, Hugo, Gibson, Brad K.
In order to explain disk galaxy formation within the hierarchical structure formation, it seems that gas rich mergers must play an important role. We review here our previous studies which have shown...
Origin of Two Distinct Populations in Dwarf Spheroidal Galaxies (2005)
Kawata, Daisuke, Arimoto, Nobuo, Cen, Renyue, Gibson, Brad K.
We study the chemical and kinematic properties of the first galaxies which formed at a high redshift, using high resolution cosmological numerical simulations, and compared them with the recent...
On the origin of anomalous velocity clouds in the Milky Way (2005)
Connors, Tim W., Kawata, Daisuke, Bailin, Jeremy, Tumlinson, Jason, Gibson, Brad K.
We report that neutral hydrogen (HI) gas clouds, resembling High Velocity Clouds (HVCs) observed in the Milky Way (MW), appear in MW-sized disk galaxies formed in high-resolution Lambda Cold Dark...
N-body simulations of the Magellanic Stream (2005)
Connors, Tim W., Kawata, Daisuke, Gibson, Brad K.
A suite of high-resolution N-body simulations of the Magellanic Clouds -- Milky Way system are presented and compared directly with newly available data from the HI Parkes All-Sky Survey (HIPASS). We...
Knebe, Alexander, Power, Chris, Gill, Stuart P. D., Gibson, Brad K.
We investigate the importance of interactions between dark matter substructures for the mass loss they suffer whilst orbiting within a sample of high resolution galaxy cluster mass Cold Dark Matter...
The Stellar Halo Metallicity - Luminosity Relationship for Spiral Galaxies (2005)
Renda, Agostino, Gibson, Brad K., Mouhcine, Mustapha, Ibata, Rodrigo A., Kawata, Daisuke, Flynn, Chris, ...
The stellar halos of spiral galaxies bear important chemo-dynamical signatures of galaxy formation. We present here the analysis of 89 semi-cosmological spiral galaxy simulations, spanning ~ 4...
A Catalogue of Field Horizontal Branch Stars Aligned with High Velocity Clouds (2005)
Thom, Christopher, Gibson, Brad K., Christlieb, Norbert
We present a catalogue of 430 Field Horizontal Branch (FHB) stars, selected from the Hamburg/ESO Survey (HES), which fortuitously align with high column density neutral hydrogen (HI) High-Velocity...
Internal Alignment of the Halos of Disk Galaxies in Cosmological Hydrodynamic Simulations (2005)
Bailin, Jeremy, Kawata, Daisuke, Gibson, Brad K., Steinmetz, Matthias, Navarro, Julio F., Brook, Chris B., ...
Seven cosmological hydrodynamic simulations of disk galaxy formation are analyzed to determine the alignment of the disk within the dark matter halo and the internal structure of the halo. We find...
Kinematics of the Galactic Halo from Horizontal Branch stars in the Hamburg/ESO Survey (2005)
Thom, Christopher, Flynn, Chris, Bessell, Michael S., Hanninen, Jyrki, Beers, Timothy C., Christlieb, Norbert, ...
Large samples of Field Horizontal Branch (FHB) stars make excellent tracers of the Galactic halo; by studying their kinematics, one can infer important physical properties of our Galaxy. Here we...
The Emergence of the Thick Disk in a CDM Universe II: Colors and Abundance Patterns (2005)
Brook, Chris B., Gibson, Brad K., Martel, Hugo, Kawata, Daisuke
The recently emerging conviction that thick disks are prevalent in disk galaxies, and their seemingly ubiquitous old ages, means that the formation of the thick disk, perhaps more than any other...
Bailin, Jeremy, Power, Chris, Gibson, Brad K., Steinmetz, Matthias
We investigate whether a correlation exists between the concentration and spin parameters of dark matter haloes forming in LCDM N-body simulations. In particular, we focus on haloes with virial...
Massive elliptical galaxies in X-rays: the role of late gas accretion (2005)
Pipino, Antonio, Kawata, Daisuke, Gibson, Brad K., Matteucci, Francesca
We present a new chemical evolution model meant to be a first step in the self-consistent study of both optical and X-ray properties of elliptical galaxies. Detailed cooling and heating processes in...
Stellar abundance gradients in galactic discs - I. Method and spectral line gradients (2005)
Ryder, Stuart D., Fenner, Yeshe, Gibson, Brad K.
We describe the technique of absorption-line imaging of galaxy discs using the Taurus Tunable Filter on the Anglo-Australian Telescope and demonstrate its sensitivity to the behaviour of spectral...
The emergence of the thick disk in a CDM universe. II. Colours and abundance patterns (2005)
Brook, Chris B., Gibson, Brad K., Martel, Hugo, Kawata, Daisuke
The recently emerging conviction that thick disks are prevalent in disk galaxies, and their seemingly ubiquitous old ages, means that the formation of the thick disk, perhaps more than any other...
Self-regulated active galactic nuclei heating in elliptical galaxies (2005)
Gibson, Brad K., Kawata, Daisuke
We study the effect of active galactic nuclei (AGN) heating on the chemodynamical evolution of elliptical galaxies and their X-ray and optical properties using high-resolution Λ-dominated cold dark...
The initial-final mass relationship: Spectroscopy of white dwarfs in NGC 2099 (M37) (2005)
Kalirai, Jasonjot S., Richer, Harvey B., Reitzel, David, Hansen, Brad M., Rich, R. Michael, Fahlman, Gregory G., ...
No abstract available.
Galaxy groups: proceedings from a Swinburne University Workshop (2005)
Kilborn, Virginia A., Bekki, Kenji, Brough, Sarah, Doyle, Marianne T., Evstigneeva, Ekateina A., Forbes, Duncan A., ...
We present the proceedings from a two-day workshop held at Swinburne University on 2005 May 24–25. The workshop participants highlighted current Australian research on both theoretical and...
Galactic chemical evolution redux: atomic numbers (2005)
Gibson, Brad K., Fenner, Yeshe, Kiessling, Alina
Motivated by the inability of Galactic chemical evolution models to reproduce some of the observed solar neighbourhood distribution of elements (and isotopes) with atomic numbers 6≤Z≤15, we have...
Mapping substructures in dark matter haloes (2005)
Knebe, Alexander, Gill, Stuart P., Kawata, Daisuke, Gibson, Brad K.
We present a detailed study of the real and integrals-of-motion space distributions of a disrupting satellite obtained from a fully self-consistent high-resolution cosmological simulation of a galaxy...
The HIPASS catalogue - III. Optical counterparts and isolated dark galaxies (2005)
Doyle. Marianne T., Drinkwater, Michael J., Rohde, D. J., Pimbblet, K. A., Read, M., Meyer, Martin J., ...
No abstract available.
Massive elliptical galaxies in X-rays: the role of late gas accretion (2005)
Pipino, A., Kawata, Daisuke, Gibson, Brad K., Matteucci, F.
No abstract available.
The stellar halo metallicity-luminosity relationship for spiral galaxies (2005)
Renda, Agostino, Gibson, Brad K., Mouhcine, Mustapha, Ibata, Rodrigo A., Kawata, Daisuke, Flynn, Chris, ...
The stellar haloes of spiral galaxies bear important chemodynamical signatures of galaxy formation. We present here the analysis of 89 semi-cosmological spiral galaxy simulations, spanning ~4 mag in...
Contrasting the chemical evolution of the Milky Way and Andromeda (2005)
Renda, Agostino, Kawata, Daisuke, Fenner, Yeshe, Gibson, Brad K.
The chemical evolution history of a galaxy hides clues about how it formed and has been changing through time. We have studied the chemical evolution history of the Milky Way (MW) and Andromeda (M31)...
A catalog of field horizontal branch stars aligned with high-velocity clouds (2005)
Thom, Christopher, Gibson, Brad K., Christlieb, Norbert
We present a catalog of 430 field horizontal branch (FHB) stars, selected from the Hamburg/ESO Survey (HES), which fortuitously align with high column density neutral hydrogen (H i) high-velocity...
Kinematics of the galactic halo from horizontal branch stars in the Hamburg/ESO survey (2005)
Thom, Christopher, Flynn, Chris, Bessell, Michael S., Hanninen, Jyrki, Beers, Timothy C., Christlieb, Norbert, ...
Large samples of field horizontal branch (FHB) stars make excellent tracers of the Galactic halo; by studying their kinematics, one can infer important physical properties of our Galaxy. Here we...
The evolution of fluorine in galactic systems (2005)
Renda, Agostino, Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C., Campbell, Simon W., ...
No abstract available.
Internal alignment of the halos of disk galaxies in cosmological hydrodynamic simulations (2005)
Bailin, Jeremy, Kawata, Daisuke, Gibson, Brad K., Steinmetz, Matthias, Navarro, Julio F., Brook, Chris B., ...
Seven cosmological hydrodynamic simulations of disk galaxy formation are analyzed to determine the alignment of the disk within the dark matter halo and the internal structure of the halo. We find...
Internal alignment of the halos of disk galaxies in cosmological hydrodynamic simulations (2005)
Bailin, Jeremy, Kawata, Daisuke, Gibson, Brad K., Steinmetz, Matthias, Navarro, Julio F., Brook, Chris B., ...
Seven cosmological hydrodynamic simulations of disk galaxy formation are analyzed to determine the alignment of the disk within the dark matter halo and the internal structure of the halo. We find...
Galaxy groups: proceedings from a Swinburne University Workshop (2005)
Kilborn, Virginia A., Bekki, Kenji, Brough, Sarah, Doyle, Marianne T., Evstigneeva, Ekaterina A., Forbes, Duncan A., ...
We present the proceedings from a two-day workshop held at Swinburne University on 2005 May 24–25. The workshop participants highlighted current Australian research on both theoretical and...
Galactic chemical evolution redux: atomic numbers (2005)
Gibson, Brad K., Fenner, Yeshe, Kiessling, Alina
Motivated by the inability of Galactic chemical evolution models to reproduce some of the observed solar neighbourhood distribution of elements (and isotopes) with atomic numbers 6≤Z≤15, we have...
Stellar abundance gradients in galactic discs - I. Method and spectral line gradients (2005)
Ryder, Stuart D., Fenner, Yeshe, Gibson, Brad K.
We describe the technique of absorption-line imaging of galaxy discs using the Taurus Tunable Filter on the Anglo-Australian Telescope and demonstrate its sensitivity to the behaviour of spectral...
The stellar halo metallicity-luminosity relationship for spiral galaxies (2005)
Renda, Agostino, Gibson, Brad K., Mouhcine, Mustapha, Ibata, Rodrigo A., Kawata, Daisuke, Flynn, Chris, ...
The stellar haloes of spiral galaxies bear important chemodynamical signatures of galaxy formation. We present here the analysis of 89 semi-cosmological spiral galaxy simulations, spanning ~4 mag in...
Mapping substructures in dark matter haloes (2005)
Knebe, Alexander, Gill, Stuart P., Kawata, Daisuke, Gibson, Brad K.
We present a detailed study of the real and integrals-of-motion space distributions of a disrupting satellite obtained from a fully self-consistent high-resolution cosmological simulation of a galaxy...
Contrasting the chemical evolution of the Milky Way and Andromeda (2005)
Renda, Agostino, Kawata, Daisuke, Fenner, Yeshe, Gibson, Brad K.
The chemical evolution history of a galaxy hides clues about how it formed and has been changing through time. We have studied the chemical evolution history of the Milky Way (MW) and Andromeda (M31)...
The emergence of the thick disk in a CDM universe. II. Colours and abundance patterns (2005)
Brook, Chris B., Gibson, Brad K., Martel, Hugo, Kawata, Daisuke
The recently emerging conviction that thick disks are prevalent in disk galaxies, and their seemingly ubiquitous old ages, means that the formation of the thick disk, perhaps more than any other...
Self-regulated active galactic nuclei heating in elliptical galaxies (2005)
Gibson, Brad K., Kawata, Daisuke
We study the effect of active galactic nuclei (AGN) heating on the chemodynamical evolution of elliptical galaxies and their X-ray and optical properties using high-resolution Λ-dominated cold dark...
A catalog of field horizontal branch stars aligned with high-velocity clouds (2005)
Thom, Christopher, Gibson, Brad K., Christlieb, Norbert
We present a catalog of 430 field horizontal branch (FHB) stars, selected from the Hamburg/ESO Survey (HES), which fortuitously align with high column density neutral hydrogen (H i) high-velocity...
Kinematics of the galactic halo from horizontal branch stars in the Hamburg/ESO survey (2005)
Thom, Christopher, Flynn, Chris, Bessell, Michael S., Hanninen, Jyrki, Beers, Timothy C., Christlieb, Norbert, ...
Large samples of field horizontal branch (FHB) stars make excellent tracers of the Galactic halo; by studying their kinematics, one can infer important physical properties of our Galaxy. Here we...
The initial-final mass relationship: Spectroscopy of white dwarfs in NGC 2099 (M37) (2005)
Kalirai, Jasonjot S., Richer, Harvey B., Reitzel, David, Hansen, Brad M., Rich, R. Michael, Fahlman, Gregory G., ...
No abstract available.
The HIPASS catalogue - III. Optical counterparts and isolated dark galaxies (2005)
Doyle, Marianne T., Drinkwater, Michael J., Rohde, D. J., Pimbblet, K. A., Read, M., Meyer, Martin J., ...
No abstract available.
Massive elliptical galaxies in X-rays: the role of late gas accretion (2005)
Pipino, A., Kawata, Daisuke, Gibson, Brad K., Matteucci, F.
No abstract available.
The evolution of fluorine in galactic systems (2005)
Renda, Agostino, Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C., Campbell, Simon W., ...
No abstract available.
Internal alignment of the halos of disk galaxies in cosmological hydrodynamic simulations (2005)
Bailin, Jeremy, Kawata, Daisuke, Gibson, Brad K., Steinmetz, Matthias, Navarro, Julio F., Brook, Chris B., ...
Seven cosmological hydrodynamic simulations of disk galaxy formation are analyzed to determine the alignment of the disk within the dark matter halo and the internal structure of the halo. We find...
Galaxy groups: proceedings from a Swinburne University Workshop (2005)
Kilborn, Virginia A., Bekki, Kenji, Brough, Sarah, Doyle, Marianne T., Evstigneeva, Ekateina A., Forbes, Duncan A., ...
We present the proceedings from a two-day workshop held at Swinburne University on 2005 May 24–25. The workshop participants highlighted current Australian research on both theoretical and...
Galactic chemical evolution redux: atomic numbers (2005)
Gibson, Brad K., Fenner, Yeshe, Kiessling, Alina
Motivated by the inability of Galactic chemical evolution models to reproduce some of the observed solar neighbourhood distribution of elements (and isotopes) with atomic numbers 6≤Z≤15, we have...
Stellar abundance gradients in galactic discs - I. Method and spectral line gradients (2005)
Ryder, Stuart D., Fenner, Yeshe, Gibson, Brad K.
We describe the technique of absorption-line imaging of galaxy discs using the Taurus Tunable Filter on the Anglo-Australian Telescope and demonstrate its sensitivity to the behaviour of spectral...
The stellar halo metallicity-luminosity relationship for spiral galaxies (2005)
Renda, Agostino, Gibson, Brad K., Mouhcine, Mustapha, Ibata, Rodrigo A., Kawata, Daisuke, Flynn, Chris, ...
The stellar haloes of spiral galaxies bear important chemodynamical signatures of galaxy formation. We present here the analysis of 89 semi-cosmological spiral galaxy simulations, spanning ~4 mag in...
Mapping substructures in dark matter haloes (2005)
Knebe, Alexander, Gill, Stuart P., Kawata, Daisuke, Gibson, Brad K.
We present a detailed study of the real and integrals-of-motion space distributions of a disrupting satellite obtained from a fully self-consistent high-resolution cosmological simulation of a galaxy...
Contrasting the chemical evolution of the Milky Way and Andromeda (2005)
Renda, Agostino, Kawata, Daisuke, Fenner, Yeshe, Gibson, Brad K.
The chemical evolution history of a galaxy hides clues about how it formed and has been changing through time. We have studied the chemical evolution history of the Milky Way (MW) and Andromeda (M31)...
The emergence of the thick disk in a CDM universe. II. Colours and abundance patterns (2005)
Brook, Chris B., Gibson, Brad K., Martel, Hugo, Kawata, Daisuke
The recently emerging conviction that thick disks are prevalent in disk galaxies, and their seemingly ubiquitous old ages, means that the formation of the thick disk, perhaps more than any other...
Self-regulated active galactic nuclei heating in elliptical galaxies (2005)
Gibson, Brad K., Kawata, Daisuke
We study the effect of active galactic nuclei (AGN) heating on the chemodynamical evolution of elliptical galaxies and their X-ray and optical properties using high-resolution Λ-dominated cold dark...
A catalog of field horizontal branch stars aligned with high-velocity clouds (2005)
Thom, Christopher, Gibson, Brad K., Christlieb, Norbert
We present a catalog of 430 field horizontal branch (FHB) stars, selected from the Hamburg/ESO Survey (HES), which fortuitously align with high column density neutral hydrogen (H i) high-velocity...
Kinematics of the galactic halo from horizontal branch stars in the Hamburg/ESO survey (2005)
Thom, Christopher, Flynn, Chris, Bessell, Michael S., Hanninen, Jyrki, Beers, Timothy C., Christlieb, Norbert, ...
Large samples of field horizontal branch (FHB) stars make excellent tracers of the Galactic halo; by studying their kinematics, one can infer important physical properties of our Galaxy. Here we...
The initial-final mass relationship: Spectroscopy of white dwarfs in NGC 2099 (M37) (2005)
Kalirai, Jasonjot S., Richer, Harvey B., Reitzel, David, Hansen, Brad M., Rich, R. Michael, Fahlman, Gregory G., ...
No abstract available.
The HIPASS catalogue - III. Optical counterparts and isolated dark galaxies (2005)
Doyle, Marianne T., Drinkwater, Michael J., Rohde, D. J., Pimbblet, K. A., Read, M., Meyer, Martin J., ...
No abstract available.
Massive elliptical galaxies in X-rays: the role of late gas accretion (2005)
Pipino, A., Kawata, Daisuke, Gibson, Brad K., Matteucci, F.
No abstract available.
The evolution of fluorine in galactic systems (2005)
Renda, Agostino, Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C., Campbell, Simon W., ...
No abstract available.
Internal alignment of the halos of disk galaxies in cosmological hydrodynamic simulations (2005)
Bailin, Jeremy, Kawata, Daisuke, Gibson, Brad K., Steinmetz, Matthias, Navarro, Julio F., Brook, Chris B., ...
Seven cosmological hydrodynamic simulations of disk galaxy formation are analyzed to determine the alignment of the disk within the dark matter halo and the internal structure of the halo. We find...
Stellar abundance gradients in galactic discs - I. Method and spectral line gradients (2005)
Ryder, Stuart D., Fenner, Yeshe, Gibson, Brad K.
We describe the technique of absorption-line imaging of galaxy discs using the Taurus Tunable Filter on the Anglo-Australian Telescope and demonstrate its sensitivity to the behaviour of spectral...
A catalog of field horizontal branch stars aligned with high-velocity clouds (2005)
Thom, Christopher, Gibson, Brad K., Christlieb, Norbert
We present a catalog of 430 field horizontal branch (FHB) stars, selected from the Hamburg/ESO Survey (HES), which fortuitously align with high column density neutral hydrogen (H i) high-velocity...
Kinematics of the galactic halo from horizontal branch stars in the Hamburg/ESO survey (2005)
Thom, Christopher, Flynn, Chris, Bessell, Michael S., Hanninen, Jyrki, Beers, Timothy C., Christlieb, Norbert, ...
Large samples of field horizontal branch (FHB) stars make excellent tracers of the Galactic halo; by studying their kinematics, one can infer important physical properties of our Galaxy. Here we...
Mapping substructures in dark matter haloes (2005)
Knebe, Alexander, Gill, Stuart P., Kawata, Daisuke, Gibson, Brad K.
We present a detailed study of the real and integrals-of-motion space distributions of a disrupting satellite obtained from a fully self-consistent high-resolution cosmological simulation of a galaxy...
The stellar halo metallicity-luminosity relationship for spiral galaxies (2005)
Renda, Agostino, Gibson, Brad K., Mouhcine, Mustapha, Ibata, Rodrigo A., Kawata, Daisuke, Flynn, Chris, ...
The stellar haloes of spiral galaxies bear important chemodynamical signatures of galaxy formation. We present here the analysis of 89 semi-cosmological spiral galaxy simulations, spanning ~4 mag in...
Contrasting the chemical evolution of the Milky Way and Andromeda (2005)
Renda, Agostino, Kawata, Daisuke, Fenner, Yeshe, Gibson, Brad K.
The chemical evolution history of a galaxy hides clues about how it formed and has been changing through time. We have studied the chemical evolution history of the Milky Way (MW) and Andromeda (M31)...
The emergence of the thick disk in a CDM universe. II. Colours and abundance patterns (2005)
Brook, Chris B., Gibson, Brad K., Martel, Hugo, Kawata, Daisuke
The recently emerging conviction that thick disks are prevalent in disk galaxies, and their seemingly ubiquitous old ages, means that the formation of the thick disk, perhaps more than any other...
Self-regulated active galactic nuclei heating in elliptical galaxies (2005)
Gibson, Brad K., Kawata, Daisuke
We study the effect of active galactic nuclei (AGN) heating on the chemodynamical evolution of elliptical galaxies and their X-ray and optical properties using high-resolution Λ-dominated cold dark...
The initial-final mass relationship: Spectroscopy of white dwarfs in NGC 2099 (M37) (2005)
Kalirai, Jasonjot S., Richer, Harvey B., Reitzel, David, Hansen, Brad M., Rich, R. Michael, Fahlman, Gregory G., ...
No abstract available.
The HIPASS catalogue - III. Optical counterparts and isolated dark galaxies (2005)
Doyle, Marianne T., Drinkwater, Michael J., Rohde, D. J., Pimbblet, K. A., Read, M., Meyer, Martin J., ...
No abstract available.
Galaxy groups: proceedings from a Swinburne University Workshop (2005)
Kilborn, Virginia A., Bekki, Kenji, Brough, Sarah, Doyle, Marianne T., Evstigneeva, Ekateina A., Forbes, Duncan A., ...
We present the proceedings from a two-day workshop held at Swinburne University on 2005 May 24–25. The workshop participants highlighted current Australian research on both theoretical and...
Galactic chemical evolution redux: atomic numbers (2005)
Gibson, Brad K., Fenner, Yeshe, Kiessling, Alina
Motivated by the inability of Galactic chemical evolution models to reproduce some of the observed solar neighbourhood distribution of elements (and isotopes) with atomic numbers 6≤Z≤15, we have...
Massive elliptical galaxies in X-rays: the role of late gas accretion (2005)
Pipino, A., Kawata, Daisuke, Gibson, Brad K., Matteucci, F.
No abstract available.
The evolution of fluorine in galactic systems (2005)
Renda, Agostino, Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C., Campbell, Simon W., ...
No abstract available.
The stellar halo metallicity-luminosity relationship for spiral galaxies (2005)
Renda, Agostino, Gibson, Brad K., Mouhcine, Mustapha, Ibata, Rodrigo A., Kawata, Daisuke, Flynn, Chris, ...
The stellar haloes of spiral galaxies bear important chemodynamical signatures of galaxy formation. We present here the analysis of 89 semi-cosmological spiral galaxy simulations, spanning ~4 mag in...
Contrasting the chemical evolution of the Milky Way and Andromeda (2005)
Renda, Agostino, Kawata, Daisuke, Fenner, Yeshe, Gibson, Brad K.
The chemical evolution history of a galaxy hides clues about how it formed and has been changing through time. We have studied the chemical evolution history of the Milky Way (MW) and Andromeda (M31)...
Internal alignment of the halos of disk galaxies in cosmological hydrodynamic simulations (2005)
Bailin, Jeremy, Kawata, Daisuke, Gibson, Brad K., Steinmetz, Matthias, Navarro, Julio F., Brook, Chris B., ...
Seven cosmological hydrodynamic simulations of disk galaxy formation are analyzed to determine the alignment of the disk within the dark matter halo and the internal structure of the halo. We find...
The emergence of the thick disk in a CDM universe. II. Colours and abundance patterns (2005)
Brook, Chris B., Gibson, Brad K., Martel, Hugo, Kawata, Daisuke
The recently emerging conviction that thick disks are prevalent in disk galaxies, and their seemingly ubiquitous old ages, means that the formation of the thick disk, perhaps more than any other...
Self-regulated active galactic nuclei heating in elliptical galaxies (2005)
Gibson, Brad K., Kawata, Daisuke
We study the effect of active galactic nuclei (AGN) heating on the chemodynamical evolution of elliptical galaxies and their X-ray and optical properties using high-resolution Λ-dominated cold dark...
The HIPASS catalogue - III. Optical counterparts and isolated dark galaxies (2005)
Doyle, Marianne T., Drinkwater, Michael J., Rohde, D. J., Pimbblet, K. A., Read, M., Meyer, Martin J., ...
No abstract available.
The initial-final mass relationship: Spectroscopy of white dwarfs in NGC 2099 (M37) (2005)
Kalirai, Jasonjot S., Richer, Harvey B., Reitzel, David, Hansen, Brad M., Rich, R. Michael, Fahlman, Gregory G., ...
No abstract available.
Galaxy groups: proceedings from a Swinburne University workshop (2005)
Kilborn, Virginia A., Bekki, Kenji, Brough, Sarah, Doyle, Marianne T., Evstigneeva, Ekaterina A., Forbes, Duncan A., ...
We present the proceedings from a two-day workshop held at Swinburne University on 2005 May 24–25. The workshop participants highlighted current Australian research on both theoretical and...
Galactic chemical evolution redux: atomic numbers (2005)
Gibson, Brad K., Fenner, Yeshe, Kiessling, Alina
Motivated by the inability of Galactic chemical evolution models to reproduce some of the observed solar neighbourhood distribution of elements (and isotopes) with atomic numbers 6≤Z≤15, we have...
Stellar abundance gradients in galactic discs - I. Method and spectral line gradients (2005)
Ryder, Stuart D., Fenner, Yeshe, Gibson, Brad K.
We describe the technique of absorption-line imaging of galaxy discs using the Taurus Tunable Filter on the Anglo-Australian Telescope and demonstrate its sensitivity to the behaviour of spectral...
Mapping substructures in dark matter haloes (2005)
Knebe, Alexander, Gill, Stuart P., Kawata, Daisuke, Gibson, Brad K.
We present a detailed study of the real and integrals-of-motion space distributions of a disrupting satellite obtained from a fully self-consistent high-resolution cosmological simulation of a galaxy...
A catalog of field horizontal branch stars aligned with high-velocity clouds (2005)
Thom, Christopher, Gibson, Brad K., Christlieb, Norbert
We present a catalog of 430 field horizontal branch (FHB) stars, selected from the Hamburg/ESO Survey (HES), which fortuitously align with high column density neutral hydrogen (H i) high-velocity...
Kinematics of the galactic halo from horizontal branch stars in the Hamburg/ESO survey (2005)
Thom, Christopher, Flynn, Chris, Bessell, Michael S., Hanninen, Jyrki, Beers, Timothy C., Christlieb, Norbert, ...
Large samples of field horizontal branch (FHB) stars make excellent tracers of the Galactic halo; by studying their kinematics, one can infer important physical properties of our Galaxy. Here we...
Massive elliptical galaxies in X-rays: the role of late gas accretion (2005)
Pipino, A., Kawata, Daisuke, Gibson, Brad K., Matteucci, F.
No abstract available.
The stellar halo metallicity-luminosity relationship for spiral galaxies (2005)
Renda, Agostino, Gibson, Brad K., Mouhcine, Mustapha, Ibata, Rodrigo A., Kawata, Daisuke, Flynn, Chris, ...
The stellar haloes of spiral galaxies bear important chemodynamical signatures of galaxy formation. We present here the analysis of 89 semi-cosmological spiral galaxy simulations, spanning ~4 mag in...
Contrasting the chemical evolution of the Milky Way and Andromeda (2005)
Renda, Agostino, Kawata, Daisuke, Fenner, Yeshe, Gibson, Brad K.
The chemical evolution history of a galaxy hides clues about how it formed and has been changing through time. We have studied the chemical evolution history of the Milky Way (MW) and Andromeda (M31)...
The evolution of fluorine in galactic systems (2005)
Renda, Agostino, Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C., Campbell, Simon W., ...
No abstract available.
Contrasting the chemical evolution of the Milky Way and Andromeda galaxies (2004)
Renda, Agostino, Kawata, Daisuke, Fenner, Yeshe, Gibson, Brad K.
The chemical evolution history of a galaxy hides clues about how it formed and has been changing through time. We have studied the chemical evolution history of the Milky Way (MW) and Andromeda (M31)...
The Initial-Final Mass Relationship: Spectroscopy of White Dwarfs in NGC 2099 (M37) (2004)
Kalirai, Jasonjot Singh, Richer, Harvey B., Reitzel, David, Hansen, Brad M. S., Rich, R. Michael, Fahlman, Gregory G., ...
We present new observations of very faint white dwarfs (WDs) in the rich open star cluster NGC 2099 (M37). Following deep, wide field imaging of the cluster using CFHT, we have now obtained...
Self-Regulated AGN Heating in Elliptical Galaxies (2004)
Kawata, Daisuke, Gibson, Brad K.
We study the effect of active galactic nuclei (AGN) heating on the chemodynamical evolution of elliptical galaxies and their X-ray and optical properties using high-resolution Lambda-dominated cold...
Mapping Substructures in Dark Matter Halos (2004)
Knebe, Alexander, Gill, Stuart P. D., Kawata, Daisuke, Gibson, Brad K.
We present a detailed study of the real and integrals-of-motion space distributions of a satellite obtained from a self-consistent high-resolution simulation of a galaxy cluster and re-simulated...
Cosmological simulations of the high-redshift radio universe (2004)
Kawata, Daisuke, Gibson, Brad K., Windhorst, Rogier A.
Using self-consistent cosmological simulations of disc galaxy formation, we analyse the 1.4 GHz radio flux from high-redshift progenitors of present-day normal spirals within the context of...
The Fifth Workshop on Galactic Chemodynamics (2004)
Gibson, Brad K., Kawata, Daisuke
The Fifth Workshop on Galactic Chemodynamics (GCDV) is the pre-eminent workshop devoted exclusively to observational and theoretical research into the formation and evolution of galaxies. GCDV...
Is the Initial Mass Function of Low Surface Brightness Galaxies Dominated by Low Mass Stars? (2004)
Lee, Hyun-chul, Gibson, Brad K., Flynn, Chris, Kawata, Daisuke, Beasley, Michael A.
The rotation curves of low surface brightness (LSB) galaxies suggest that they possess significantly higher mass-to-light (M/L) ratios than their high surface brightness counterparts, indicating that...
The Emergence of the Thick Disk in a CDM Universe (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Freeman, Ken C.
The disk galaxy simulated using our chemo-dynamical galaxy formation code, GCD+, is shown to have a thick disk component. This is evidenced by the velocity dispersion versus age relation for solar...
The evolution of substructure III: the outskirts of clusters (2004)
Gill, Stuart P. D., Knebe, Alexander, Gibson, Brad K.
We present an investigation of satellite galaxies in the outskirts of galaxy clusters taken from a series of high-resolution N-body simulations. We focus on the so-called "backsplash population",...
The evolution of substructure II: linking dynamics to environment (2004)
Gill, Stuart P. D., Knebe, Alexander, Gibson, Brad K., Dopita, Mike A.
We present results from a series of high-resolution N-body simulations that focus on the formation and evolution of eight dark matter halos, each of order a million particles within the virial...
The evolution substructure I: a new identification method (2004)
Gill, Stuart P. D., Knebe, Alexander, Gibson, Brad K.
We describe our new "MLAPM-halo-finder" (MHF) which is based on the adaptive grid structure of the N-body code MLAPM. We then extend the MHF code in order to track the orbital evolution of...
Interactions of Satellite Galaxies in Cosmological Dark Matter Halos (2004)
Knebe, Alexander, Gill, Stuart P. D., Gibson, Brad K.
We present a statistical analysis of the interactions between satellite galaxies in cosmological dark matter halos taken from fully self-consistent high-resolution simulations of galaxy clusters. We...
High-resolution N-body Simulations of Galactic Cannibalism: The Magellanic Stream (2004)
Connors, Tim W., Kawata, Daisuke, Maddison, Sarah T., Gibson, Brad K.
Hierarchical clustering represents the favoured paradigm for galaxy formation throughout the Universe; due to its proximity, the Magellanic system offers one of the few opportunities for...
Fenner, Yeshe, Prochaska, Jason X., Gibson, Brad K.
We have investigated chemical evolution in the young universe by analysing the detailed chemical enrichment pattern of a metal-rich galaxy at high redshift. The recent detection of over 20 elements...
The Chemo-Dynamical Evolution of Elliptical Galaxies: Pre-heating and AGN heating (2004)
Kawata, Daisuke, Gibson, Brad K.
We study the chemodynamical evolution of elliptical galaxies and their X-ray and optical properties using high-resolution cosmological simulations. Our Tree N-body/SPH code includes a self-consistent...
The Galactic Habitable Zone and the Age Distribution of Complex Life in the Milky Way (2004)
Lineweaver, Charles H., Fenner, Yeshe, Gibson, Brad K.
We modeled the evolution of the Milky Way to trace the distribution in space and time of four prerequisites for complex life: the presence of a host star, enough heavy elements to form terrestrial...
Beasley, Michael A., Kawata, Daisuke, Pearce, Frazer R., Forbes, Duncan A., Gibson, Brad K.
We explore a scenario in which metal-poor globular clusters (GCs) are enriched by the first supernovae in the universe. If the first stars in a 107 Msolar dark halo were very massive (>180 Msolar),...
The galactic habitable zone and the age distribution of complex life in the Milky Way (2004)
Lineweaver, Charles H., Fenner, Yeshe, Gibson, Brad K.
We modeled the evolution of the Milky Way to trace the distribution in space and time of four prerequisites for complex life: the presence of a host star, enough heavy elements to form terrestrial...
The evolution of substructure - II. Linking dynamics to environment (2004)
Gill, Stuart P., Knebe, Alexander, Gibson, Brad K., Dopita, Michael A.
We present results from a series of high-resolution N-body simulations that focus on the formation and evolution of eight dark matter haloes, each of the order of a million particles within the...
The evolution of substructure - I. A new identification method (2004)
Gill, Stuart P., Knebe, Alexander, Gibson, Brad K.
We describe our new `MLAPM halo finder' (MHF), which is based on the adaptive grid structure of the N-body code MLAPM. We then extend the MHF code in order to track the orbital evolution of...
The 1000 brightest HIPASS galaxies : H I properties (2004)
Koribalski, Baerbel S., Staveley-Smith, Lister, Kilborn, Virginia A., Ryder, Stuart D., Kraan-Korteweg, Rene C., Ryan-Weber, Emma V., ...
Not available.
Interactions of satellite galaxies in cosmological dark matter halos (2004)
Knebe, Alexander, Gill, Stuart P., Gibson, Brad K.
We present a statistical analysis of the interactions between satellite galaxies in cosmological dark matter halos taken from fully self-consistent high-resolution simulations of galaxy clusters. We...
Galactic haloes in MONDian cosmological simulations (2004)
Knebe, Alexander, Gibson, Brad K.
Abstract not available.
An HI census of loose groups of galaxies (2004)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C.
We present results from our Parkes Multibeam HI survey of 3 loose groups of galaxies that are analogous to the Local Group. This is a survey of groups containing only spiral galaxies with mean...
The emergence of the thick disk in a cold dark matter universe (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Freeman, Ken C.
The disk galaxy simulated using our chemodynamic galaxy formation code, GCD+, is shown to have a thick-disk component. This is evidenced by the velocity dispersion versus age relation for solar...
Stellar halo constraints on simulated late-type galaxies (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
How do late-type spiral galaxies form within the context of a cold dark matter cosmology? We contrast N-body, smoothed particle hydrodynamical simulations of galaxy formation that employ two...
High-resolution N-body simulations of galactic cannibalism : the Magellanic stream (2004)
Connors, Tim W., Gibson, Brad K., Kawata, Daisuke, Maddison, Sarah T.
Hierarchical clustering represents the favoured paradigm for galaxy formation throughout the Universe; due to its proximity, the Magellanic system offers one of the few opportunities for...
Modelling self-pollution of globular clusters from asymptotic giant branch stars (2004)
Campbell, Simon W., Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C.
Not available.
Constraints on early nucleosynthesis from the abundance of a damped Ly- system at z =2.626 (2004)
Fenner, Yeshe, Prochaska, Jason X., Gibson, Brad K.
We have investigated chemical evolution in the young universe by analyzing the detailed chemical enrichment pattern of a metal-rich galaxy at high redshift. The recent detection of over 20 elements...
Hubble Space Telescope observations of the white dwarf cooling sequence of M4 (2004)
Hansen, Brad M., Richer, Harvey B., Fahlman, Greg G., Stetson, Peter B., Brewer, James, Currie, Thayne, ...
We investigate in detail the white dwarf cooling sequence of the globular cluster Messier 4. In particular, we study the influence of various systematic uncertainties, both observational and...
Kalirai, Jasonjot J., Richer, Harvey B., Hansen, Brad M., Stetson, Peter B., Shara, Michael M., Saviane, Ivo, ...
Not available.
Minchin, Robert F., De Blok, W. J., Ekers, Ron D., Garcia, Diego A., Gibson, Brad K., Grossi, Mario, ...
Minchin et al. have recently placed limits on the cosmological significance of gas-rich low surface brightness (LSB) galaxies as a proportion of the total population of gas-rich galaxies by carrying...
Richer, Harvey B., Brewer, James, Fahlman, Greg G., Kalirai, Jasonjot J., Stetson, Peter B., Hansen, Brad M., ...
We respond to the recent paper by De Marchi et al. on the white dwarf cooling age of M4. The authors question the data analysis and interpretation that led to our conclusions in Hansen et al. in...
Hubble Space Telescope observations of the main sequence of M4 (2004)
Richer, Harvey B., Fahlman, Greg T., Brewer, James, Davis, Stuart, Kalirai, Jasonjot J., Stetson, Peter B., ...
We present new results from a photometric study of the main-sequence stars in M4 (NGC 6121=C1620-264), the closest globular cluster to the Sun. Multifield, multiepoch observations at approximately 1,...
The HIPASS catalogue - II. Completeness, reliability and parameter accuracy (2004)
Zwaan, Martin A., Meyer, Martin J., Webster, Rachel L., Staveley-Smith, Lister, Drinkwater, Michael J., Barnes, David G., ...
The HI Parkes All Sky Survey (HIPASS) is a blind extragalactic HI 21-cm emission-line survey covering the whole southern sky from declination -90° to +25°. The HIPASS catalogue (HICAT), containing...
Anisotropy in the Distribution of Satellite Galaxy Orbits (2004)
Knebe, Alexander, Gill, Stuart P., Gibson, Brad. K., Lewis, Geraint F., Ibata, Rodrigo A., Dopita, Michael A., ...
Nearby clusters such as Virgo and Coma possess galaxy distributions that tend to be aligned with the principal axis of the cluster itself. This has also been confirmed by a recent statistical...
Is the initial mass function of low surface brightness galaxies dominated by low-mass stars? (2004)
Lee, Hyun-Chul, Gibson, Brad K., Flynn, Chris, Kawata, Daisuke, Beasley, Michael A.
Not available.
Photometric properties of white dwarf dominated halos (2004)
Lee, Hyun-Chul, Gibson, Brad K., Fenner, Yeshe, Brook, Chris B., Kawata, Daisuke, Renda, Agostino, ...
Using stellar population synthesis techniques, we explore the photometric signatures of white dwarf progenitor dominated galactic halos, in order to constrain the fraction of halo mass that may be...
Cosmological simulations of the high-redshift radio universe (2004)
Kawata, Daisuke, Gibson, Brad K., Windhorst, Roger A.
Not available.
On the origin of fluorine in the Milky Way (2004)
Renda, Agostino, Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C., Campbell, Simon W., ...
Not available.
The gaseous trail of the Sagittarius dwarf galaxy (2004)
Putman, Mary E., Thom, Christopher, Gibson, Brad K., Staveley-Smith, Lister
A possible gaseous component to the stream of debris from the Sagittarius dwarf galaxy is presented. We identify (4-10)×106 Msolar of neutral hydrogen along the orbit of the Sgr dwarf in the...
Where are the high-velocity clouds in local group analogs? (2004)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C., Kilborn, Virginia A., ...
Abstract not available.
Abundance anomalies in NGC 6752 : are AGB stars the culprits? (2004)
Campbell, Simon W., Fenner, Yeshe, Karakas, Amanda I., Lattanzio, John C., Gibson, Brad K.
At the 7th Torino workshop held at the IoA, Cambridge University, in August 2004, a brief overview was given about the galactic globular cluster abundance anomalies problem, followed by a short...
Galactic haloes in MONDian cosmological simulations (2004)
Knebe, Alexander, Gibson, Brad K.
In this paper, a series of high-resolution N-body simulations is presented in which the equations of motion have been changed to account for modified Newtonian dynamics (MOND). It is shown that a...
Burstein, David, Li, Yong, Freeman, Ken C., Norris, John, Bessell, Michael S., Bland-Hawthorn, Joss, ...
We find that the globular cluster (GC) systems of the Milky Way and of our neighboring spiral galaxy, M31, comprise two distinct entities, differing in three respects. First, M31 has a set of young...
Searching for variability in the globular cluster messier 4 (2004)
Ferdman, Robert D., Richer, Harvey B., Brewer, James, Fahlman, Greg G., Gibson, Brad K., Hansen, Brad M., ...
Time-series data taken with the Hubble Space Telescope of a field six core radii (~5') from the center of the globular cluster Messier 4, and covering a period of about 10 weeks in early 2001, have...
Minchin, Robert F., De Blok, W. J., Ekers, Ron D., Garcia, Diego A., Gibson, Brad K., Grossi, Mario, ...
Minchin et al. have recently placed limits on the cosmological significance of gas-rich low surface brightness (LSB) galaxies as a proportion of the total population of gas-rich galaxies by carrying...
Hubble Space Telescope observations of the main sequence of M4 (2004)
Richer, Harvey B., Fahlman, Greg G., Brewer, James, Davis, Stuart, Kalirai, Jasonjot S., Stetson, Peter B., ...
We present new results from a photometric study of the main-sequence stars in M4 (NGC 6121=C1620-264), the closest globular cluster to the Sun. Multifield, multiepoch observations at approximately 1,...
The evolution of substructure - II. Linking dynamics to environment (2004)
Gill, Stuart P., Knebe, Alexander, Gibson, Brad K., Dopita, Michael A.
We present results from a series of high-resolution N-body simulations that focus on the formation and evolution of eight dark matter haloes, each of the order of a million particles within the...
Hubble Space Telescope observations of the white dwarf cooling sequence of M4 (2004)
Hansen, Brad M., Richer, Harvey B., Fahlman, Greg G., Stetson, Peter B., Brewer, James, Currie, Thayne, ...
We investigate in detail the white dwarf cooling sequence of the globular cluster Messier 4. In particular, we study the influence of various systematic uncertainties, both observational and...
Kalirai, Jasonjot S., Richer, Harvey B., Hansen, Brad M., Stetson, Peter B., Shara, Michael M., Saviane, Ivo, ...
Not available.
Richer, Harvey B., Brewer, James, Fahlman, Greg G., Kalirai, Jasonjot S., Stetson, Peter B., Hansen, Brad M., ...
We respond to the recent paper by De Marchi et al. on the white dwarf cooling age of M4. The authors question the data analysis and interpretation that led to our conclusions in Hansen et al. in...
The HIPASS catalogue - II. Completeness, reliability and parameter accuracy (2004)
Zwaan, Martin A., Meyer, Martin J., Webster, Rachel L., Staveley-Smith, Lister, Drinkwater, Michael J., Barnes, David G., ...
The HI Parkes All Sky Survey (HIPASS) is a blind extragalactic HI 21-cm emission-line survey covering the whole southern sky from declination -90° to +25°. The HIPASS catalogue (HICAT), containing...
The evolution of substructure - I. A new identification method (2004)
Gill, Stuart P., Knebe, Alexander, Gibson, Brad K.
We describe our new `MLAPM halo finder' (MHF), which is based on the adaptive grid structure of the N-body code MLAPM. We then extend the MHF code in order to track the orbital evolution of...
Anisotropy in the Distribution of Satellite Galaxy Orbits (2004)
Knebe, Alexander, Gill, Stuart P., Gibson, Brad K., Lewis, Geraint F., Ibata, Rodrigo A., Dopita, Michael A.
Nearby clusters such as Virgo and Coma possess galaxy distributions that tend to be aligned with the principal axis of the cluster itself. This has also been confirmed by a recent statistical...
Is the initial mass function of low surface brightness galaxies dominated by low-mass stars? (2004)
Lee, Hyun-Chul, Gibson, Brad K., Flynn, Chris, Kawata, Daisuke, Beasley, Michael A.
Not available.
The HIPASS Catalogue - I. Data presentation (2004)
Meyer, Martin J., Zwaan, Martin A., Webster, Rachel L., Staveley-Smith, Lister, Ryan-Weber, E., Drinkwater, Michael J., ...
Not available.
Cosmological simulations of the high-redshift radio universe (2004)
Kawata, Daisuke, Gibson, Brad K., Windhorst, Roger A.
Not available.
The 1000 brightest HIPASS galaxies : H I properties (2004)
Koribalski, Baerbel S., Staveley-Smith, Lister, Staveley-Smith, Lister, Kilborn, Virginia A., Ryder, Stuart D., Kraan-Korteweg, Rene C., ...
Not available.
Photometric properties of white dwarf dominated halos (2004)
Lee, Hyun-Chul, Gibson, Brad K., Fenner, Yeshe, Brook, Chris B., Kawata, Daisuke, Renda, Agostino, ...
Using stellar population synthesis techniques, we explore the photometric signatures of white dwarf progenitor dominated galactic halos, in order to constrain the fraction of halo mass that may be...
The emergence of the thick disk in a cold dark matter universe (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Freeman, Ken C.
The disk galaxy simulated using our chemodynamic galaxy formation code, GCD+, is shown to have a thick-disk component. This is evidenced by the velocity dispersion versus age relation for solar...
Stellar halo constraints on simulated late-type galaxies (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
How do late-type spiral galaxies form within the context of a cold dark matter cosmology? We contrast N-body, smoothed particle hydrodynamical simulations of galaxy formation that employ two...
High-resolution N-body simulations of galactic cannibalism : the Magellanic stream (2004)
Connors, Tim W., Gibson, Brad K., Kawata, Daisuke, Maddison, Sarah T.
Hierarchical clustering represents the favoured paradigm for galaxy formation throughout the Universe; due to its proximity, the Magellanic system offers one of the few opportunities for...
Modelling self-pollution of globular clusters from asymptotic giant branch stars (2004)
Campbell, Simon W., Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C.
Not available.
Constraints on early nucleosynthesis from the abundance of a damped Ly- system at z =2.626 (2004)
Fenner, Yeshe, Prochaska, Jason X., Gibson, Brad K.
We have investigated chemical evolution in the young universe by analyzing the detailed chemical enrichment pattern of a metal-rich galaxy at high redshift. The recent detection of over 20 elements...
The galactic habitable zone and the age distribution of complex life in the Milky Way (2004)
Lineweaver, Charles H., Fenner, Yeshe, Gibson, Brad K.
We modeled the evolution of the Milky Way to trace the distribution in space and time of four prerequisites for complex life: the presence of a host star, enough heavy elements to form terrestrial...
Interactions of satellite galaxies in cosmological dark matter halos (2004)
Knebe, Alexander, Gill, Stuart P., Gibson, Brad K.
We present a statistical analysis of the interactions between satellite galaxies in cosmological dark matter halos taken from fully self-consistent high-resolution simulations of galaxy clusters. We...
On the origin of fluorine in the Milky Way (2004)
Renda, Agostino, Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C., Campbell, Simon W., ...
Not available.
Abundance anomalies in NGC 6752 : are AGB stars the culprits? (2004)
Campbell, Simon W., Fenner, Yeshe, Karakas, Amanda I., Lattanzio, John C., Gibson, Brad K.
At the 7th Torino workshop held at the IoA, Cambridge University, in August 2004, a brief overview was given about the galactic globular cluster abundance anomalies problem, followed by a short...
The gaseous trail of the Sagittarius dwarf galaxy (2004)
Putman, Mary E., Thom, Christopher, Gibson, Brad K., Staveley-Smith, Lister
A possible gaseous component to the stream of debris from the Sagittarius dwarf galaxy is presented. We identify (4-10)×106 Msolar of neutral hydrogen along the orbit of the Sgr dwarf in the...
Where are the high-velocity clouds in local group analogs? (2004)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C., Kilborn, Virginia A.
Abstract not available.
Beasley, Michael A., Kawata, Daisuke, Pearce, Frazer R., Forbes, Duncan A., Gibson, Brad K.
We explore a scenario in which metal-poor globular clusters (GCs) are enriched by the first supernovae in the universe. If the first stars in a 107 Msolar dark halo were very massive (>180 Msolar),...
An HI census of loose groups of galaxies (2004)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C.
We present results from our Parkes Multibeam HI survey of 3 loose groups of galaxies that are analogous to the Local Group. This is a survey of groups containing only spiral galaxies with mean...
Galactic haloes in MONDian cosmological simulations (2004)
Knebe, Alexander, Gibson, Brad K.
In this paper, a series of high-resolution N-body simulations is presented in which the equations of motion have been changed to account for modified Newtonian dynamics (MOND). It is shown that a...
Burstein, David, Li, Yong, Freeman, Ken C., Norris, John, Bessell, Michael S., Bland-Hawthorn, Joss, ...
We find that the globular cluster (GC) systems of the Milky Way and of our neighboring spiral galaxy, M31, comprise two distinct entities, differing in three respects. First, M31 has a set of young...
Searching for variability in the globular cluster messier 4 (2004)
Ferdman, Robert D., Richer, Harvey B., Brewer, James, Fahlman, Greg G., Gibson, Brad K., Hansen, Brad M., ...
Time-series data taken with the Hubble Space Telescope of a field six core radii (~5') from the center of the globular cluster Messier 4, and covering a period of about 10 weeks in early 2001, have...
Minchin, Robert F., De Blok, W. J., Ekers, Ron D., Garcia, Diego A., Gibson, Brad K., Grossi, Mario, ...
Minchin et al. have recently placed limits on the cosmological significance of gas-rich low surface brightness (LSB) galaxies as a proportion of the total population of gas-rich galaxies by carrying...
Hubble Space Telescope observations of the main sequence of M4 (2004)
Richer, Harvey B., Fahlman, Greg T., Brewer, James, Davis, Stuart, Kalirai, Jasonjot J., Stetson, Peter B., ...
We present new results from a photometric study of the main-sequence stars in M4 (NGC 6121=C1620-264), the closest globular cluster to the Sun. Multifield, multiepoch observations at approximately 1,...
The evolution of substructure - II. Linking dynamics to environment (2004)
Gill, Stuart P., Knebe, Alexander, Gibson, Brad K., Dopita, Michael A.
We present results from a series of high-resolution N-body simulations that focus on the formation and evolution of eight dark matter haloes, each of the order of a million particles within the...
Hubble Space Telescope observations of the white dwarf cooling sequence of M4 (2004)
Hansen, Brad M., Richer, Harvey B., Fahlman, Greg G., Stetson, Peter B., Brewer, James, Currie, Thayne, ...
We investigate in detail the white dwarf cooling sequence of the globular cluster Messier 4. In particular, we study the influence of various systematic uncertainties, both observational and...
Kalirai, Jasonjot J., Richer, Harvey B., Hansen, Brad M., Stetson, Peter B., Shara, Michael M., Saviane, Ivo, ...
Not available.
Richer, Harvey B., Brewer, James, Fahlman, Greg G., Kalirai, Jasonjot J., Stetson, Peter B., Hansen, Brad M., ...
We respond to the recent paper by De Marchi et al. on the white dwarf cooling age of M4. The authors question the data analysis and interpretation that led to our conclusions in Hansen et al. in...
The HIPASS catalogue - II. Completeness, reliability and parameter accuracy (2004)
Zwaan, Martin A., Meyer, Martin J., Webster, Rachel L., Staveley-Smith, Lister, Drinkwater, Michael J., Barnes, David G., ...
The HI Parkes All Sky Survey (HIPASS) is a blind extragalactic HI 21-cm emission-line survey covering the whole southern sky from declination -90° to +25°. The HIPASS catalogue (HICAT), containing...
The evolution of substructure - I. A new identification method (2004)
Gill, Stuart P., Knebe, Alexander, Gibson, Brad K.
We describe our new `MLAPM halo finder' (MHF), which is based on the adaptive grid structure of the N-body code MLAPM. We then extend the MHF code in order to track the orbital evolution of...
Anisotropy in the Distribution of Satellite Galaxy Orbits (2004)
Knebe, Alexander, Gill, Stuart P., Gibson, Brad. K., Lewis, Geraint F., Ibata, Rodrigo A., Dopita, Michael A.
Nearby clusters such as Virgo and Coma possess galaxy distributions that tend to be aligned with the principal axis of the cluster itself. This has also been confirmed by a recent statistical...
Is the initial mass function of low surface brightness galaxies dominated by low-mass stars? (2004)
Lee, Hyun-Chul, Gibson, Brad K., Flynn, Chris, Kawata, Daisuke, Beasley, Michael A.
Not available.
The HIPASS Catalogue - I. Data presentation (2004)
Meyer, Martin J., Zwaan, Martin A., Webster, Rachel L., Staveley-Smith, Lister, Ryan-Weber, E., Drinkwater, Michael J., ...
Not available.
Cosmological simulations of the high-redshift radio universe (2004)
Kawata, Daisuke, Gibson, Brad K., Windhorst, Roger A.
Not available.
The 1000 brightest HIPASS galaxies : H I properties (2004)
Koribalski, Baerbel S., Staveley-Smith, Lister, Staveley-Smith, Lister, Kilborn, Virginia A., Ryder, Stuart D., Kraan-Korteweg, Rene C., ...
Not available.
Photometric properties of white dwarf dominated halos (2004)
Lee, Hyun-Chul, Gibson, Brad K., Fenner, Yeshe, Brook, Chris B., Kawata, Daisuke, Renda, Agostino, ...
Using stellar population synthesis techniques, we explore the photometric signatures of white dwarf progenitor dominated galactic halos, in order to constrain the fraction of halo mass that may be...
The emergence of the thick disk in a cold dark matter universe (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Freeman, Ken C.
The disk galaxy simulated using our chemodynamic galaxy formation code, GCD+, is shown to have a thick-disk component. This is evidenced by the velocity dispersion versus age relation for solar...
Stellar halo constraints on simulated late-type galaxies (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
How do late-type spiral galaxies form within the context of a cold dark matter cosmology? We contrast N-body, smoothed particle hydrodynamical simulations of galaxy formation that employ two...
High-resolution N-body simulations of galactic cannibalism : the Magellanic stream (2004)
Connors, Tim W., Gibson, Brad K., Kawata, Daisuke, Maddison, Sarah T.
Hierarchical clustering represents the favoured paradigm for galaxy formation throughout the Universe; due to its proximity, the Magellanic system offers one of the few opportunities for...
Modelling self-pollution of globular clusters from asymptotic giant branch stars (2004)
Campbell, Simon W., Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C.
Not available.
Constraints on early nucleosynthesis from the abundance of a damped Ly- system at z =2.626 (2004)
Fenner, Yeshe, Prochaska, Jason X., Gibson, Brad K.
We have investigated chemical evolution in the young universe by analyzing the detailed chemical enrichment pattern of a metal-rich galaxy at high redshift. The recent detection of over 20 elements...
The galactic habitable zone and the age distribution of complex life in the Milky Way (2004)
Lineweaver, Charles H., Fenner, Yeshe, Gibson, Brad K.
We modeled the evolution of the Milky Way to trace the distribution in space and time of four prerequisites for complex life: the presence of a host star, enough heavy elements to form terrestrial...
Interactions of satellite galaxies in cosmological dark matter halos (2004)
Knebe, Alexander, Gill, Stuart P., Gibson, Brad K.
We present a statistical analysis of the interactions between satellite galaxies in cosmological dark matter halos taken from fully self-consistent high-resolution simulations of galaxy clusters. We...
On the origin of fluorine in the Milky Way (2004)
Renda, Agostino, Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C., Campbell, Simon W., ...
Not available.
Abundance anomalies in NGC 6752 : are AGB stars the culprits? (2004)
Campbell, Simon W., Fenner, Yeshe, Karakas, Amanda I., Lattanzio, John C., Gibson, Brad K.
At the 7th Torino workshop held at the IoA, Cambridge University, in August 2004, a brief overview was given about the galactic globular cluster abundance anomalies problem, followed by a short...
The gaseous trail of the Sagittarius dwarf galaxy (2004)
Putman, Mary E., Thom, Christopher, Gibson, Brad K., Staveley-Smith, Lister
A possible gaseous component to the stream of debris from the Sagittarius dwarf galaxy is presented. We identify (4-10)×106 Msolar of neutral hydrogen along the orbit of the Sgr dwarf in the...
Where are the high-velocity clouds in local group analogs? (2004)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C., Kilborn, Virginia A.
Abstract not available.
Beasley, Michael A., Kawata, Daisuke, Pearce, Frazer R., Forbes, Duncan A., Gibson, Brad K.
We explore a scenario in which metal-poor globular clusters (GCs) are enriched by the first supernovae in the universe. If the first stars in a 107 Msolar dark halo were very massive (>180 Msolar),...
An HI census of loose groups of galaxies (2004)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C.
We present results from our Parkes Multibeam HI survey of 3 loose groups of galaxies that are analogous to the Local Group. This is a survey of groups containing only spiral galaxies with mean...
Modelling self-pollution of globular clusters from asymptotic giant branch stars (2004)
Campbell, Simon W., Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C.
Not available.
The emergence of the thick disk in a cold dark matter universe (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Freeman, Ken C.
The disk galaxy simulated using our chemodynamic galaxy formation code, GCD+, is shown to have a thick-disk component. This is evidenced by the velocity dispersion versus age relation for solar...
Stellar halo constraints on simulated late-type galaxies (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
How do late-type spiral galaxies form within the context of a cold dark matter cosmology? We contrast N-body, smoothed particle hydrodynamical simulations of galaxy formation that employ two...
High-resolution N-body simulations of galactic cannibalism : the Magellanic stream (2004)
Connors, Tim W., Gibson, Brad K., Kawata, Daisuke, Maddison, Sarah T.
Hierarchical clustering represents the favoured paradigm for galaxy formation throughout the Universe; due to its proximity, the Magellanic system offers one of the few opportunities for...
Burstein, David, Li, Yong, Freeman, Ken C., Norris, John, Bessell, Michael S., Bland-Hawthorn, Joss, ...
We find that the globular cluster (GC) systems of the Milky Way and of our neighboring spiral galaxy, M31, comprise two distinct entities, differing in three respects. First, M31 has a set of young...
Searching for variability in the globular cluster messier 4 (2004)
Ferdman, Robert D., Richer, Harvey B., Brewer, James, Fahlman, Greg G., Gibson, Brad K., Hansen, Brad M., ...
Time-series data taken with the Hubble Space Telescope of a field six core radii (~5') from the center of the globular cluster Messier 4, and covering a period of about 10 weeks in early 2001, have...
Hubble Space Telescope observations of the white dwarf cooling sequence of M4 (2004)
Hansen, Brad M., Richer, Harvey B., Fahlman, Greg G., Stetson, Peter B., Brewer, James, Currie, Thayne, ...
We investigate in detail the white dwarf cooling sequence of the globular cluster Messier 4. In particular, we study the influence of various systematic uncertainties, both observational and...
Kalirai, Jasonjot J., Richer, Harvey B., Hansen, Brad M., Stetson, Peter B., Shara, Michael M., Saviane, Ivo, ...
Not available.
Constraints on early nucleosynthesis from the abundance of a damped Ly- system at z =2.626 (2004)
Fenner, Yeshe, Prochaska, Jason X., Gibson, Brad K.
We have investigated chemical evolution in the young universe by analyzing the detailed chemical enrichment pattern of a metal-rich galaxy at high redshift. The recent detection of over 20 elements...
The galactic habitable zone and the age distribution of complex life in the Milky Way (2004)
Lineweaver, Charles H., Fenner, Yeshe, Gibson, Brad K.
We modeled the evolution of the Milky Way to trace the distribution in space and time of four prerequisites for complex life: the presence of a host star, enough heavy elements to form terrestrial...
The evolution of substructure - II. Linking dynamics to environment (2004)
Gill, Stuart P., Knebe, Alexander, Gibson, Brad K., Dopita, Michael A.
We present results from a series of high-resolution N-body simulations that focus on the formation and evolution of eight dark matter haloes, each of the order of a million particles within the...
The evolution of substructure - I. A new identification method (2004)
Gill, Stuart P., Knebe, Alexander, Gibson, Brad K.
We describe our new `MLAPM halo finder' (MHF), which is based on the adaptive grid structure of the N-body code MLAPM. We then extend the MHF code in order to track the orbital evolution of...
The HIPASS Catalogue - I. Data presentation (2004)
Meyer, Martin J., Zwaan, Martin A., Webster, Rachel L., Staveley-Smith, Lister, Ryan-Weber, E., Drinkwater, Michael J., ...
Not available.
Anisotropy in the Distribution of Satellite Galaxy Orbits (2004)
Knebe, Alexander, Gill, Stuart P., Gibson, Brad. K., Lewis, Geraint F., Ibata, Rodrigo A., Dopita, Michael A.
Nearby clusters such as Virgo and Coma possess galaxy distributions that tend to be aligned with the principal axis of the cluster itself. This has also been confirmed by a recent statistical...
Is the initial mass function of low surface brightness galaxies dominated by low-mass stars? (2004)
Lee, Hyun-Chul, Gibson, Brad K., Flynn, Chris, Kawata, Daisuke, Beasley, Michael A.
Not available.
Interactions of satellite galaxies in cosmological dark matter halos (2004)
Knebe, Alexander, Gill, Stuart P., Gibson, Brad K.
We present a statistical analysis of the interactions between satellite galaxies in cosmological dark matter halos taken from fully self-consistent high-resolution simulations of galaxy clusters. We...
Galactic haloes in MONDian cosmological simulations (2004)
Knebe, Alexander, Gibson, Brad K.
In this paper, a series of high-resolution N-body simulations is presented in which the equations of motion have been changed to account for modified Newtonian dynamics (MOND). It is shown that a...
Photometric properties of white dwarf dominated halos (2004)
Lee, Hyun-Chul, Gibson, Brad K., Fenner, Yeshe, Brook, Chris B., Kawata, Daisuke, Renda, Agostino, ...
Using stellar population synthesis techniques, we explore the photometric signatures of white dwarf progenitor dominated galactic halos, in order to constrain the fraction of halo mass that may be...
The gaseous trail of the Sagittarius dwarf galaxy (2004)
Putman, Mary E., Thom, Christopher, Gibson, Brad K., Staveley-Smith, Lister
A possible gaseous component to the stream of debris from the Sagittarius dwarf galaxy is presented. We identify (4-10)×106 Msolar of neutral hydrogen along the orbit of the Sgr dwarf in the...
Where are the high-velocity clouds in local group analogs? (2004)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C., Kilborn, Virginia A.
Abstract not available.
Abundance anomalies in NGC 6752 : are AGB stars the culprits? (2004)
Campbell, Simon W., Fenner, Yeshe, Karakas, Amanda I., Lattanzio, John C., Gibson, Brad K.
At the 7th Torino workshop held at the IoA, Cambridge University, in August 2004, a brief overview was given about the galactic globular cluster abundance anomalies problem, followed by a short...
Minchin, Robert F., De Blok, W. J., Ekers, Ron D., Garcia, Diego A., Gibson, Brad K., Grossi, Mario, ...
Minchin et al. have recently placed limits on the cosmological significance of gas-rich low surface brightness (LSB) galaxies as a proportion of the total population of gas-rich galaxies by carrying...
Richer, Harvey B., Brewer, James, Fahlman, Greg G., Kalirai, Jasonjot J., Stetson, Peter B., Hansen, Brad M., ...
We respond to the recent paper by De Marchi et al. on the white dwarf cooling age of M4. The authors question the data analysis and interpretation that led to our conclusions in Hansen et al. in...
On the origin of fluorine in the Milky Way (2004)
Renda, Agostino, Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C., Campbell, Simon W., ...
Not available.
Hubble Space Telescope observations of the main sequence of M4 (2004)
Richer, Harvey B., Fahlman, Greg T., Brewer, James, Davis, Stuart, Kalirai, Jasonjot J., Stetson, Peter B., ...
We present new results from a photometric study of the main-sequence stars in M4 (NGC 6121=C1620-264), the closest globular cluster to the Sun. Multifield, multiepoch observations at approximately 1,...
The HIPASS catalogue - II. Completeness, reliability and parameter accuracy (2004)
Zwaan, Martin A., Meyer, Martin J., Webster, Rachel L., Staveley-Smith, Lister, Drinkwater, Michael J., Barnes, David G., ...
The HI Parkes All Sky Survey (HIPASS) is a blind extragalactic HI 21-cm emission-line survey covering the whole southern sky from declination -90° to +25°. The HIPASS catalogue (HICAT), containing...
Cosmological simulations of the high-redshift radio universe (2004)
Kawata, Daisuke, Gibson, Brad K., Windhorst, Roger A.
Not available.
The 1000 brightest HIPASS galaxies : H I properties (2004)
Koribalski, Baerbel S., Staveley-Smith, Lister, Kilborn, Virginia A., Ryder, Stuart D., Kraan-Korteweg, Rene C., Ryan-Weber, Emma V., ...
Not available.
Beasley, Michael A., Kawata, Daisuke, Pearce, Frazer R., Forbes, Duncan A., Gibson, Brad K.
We explore a scenario in which metal-poor globular clusters (GCs) are enriched by the first supernovae in the universe. If the first stars in a 107 Msolar dark halo were very massive (>180 Msolar),...
An HI census of loose groups of galaxies (2004)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C.
We present results from our Parkes Multibeam HI survey of 3 loose groups of galaxies that are analogous to the Local Group. This is a survey of groups containing only spiral galaxies with mean...
The emergence of the thick disk in a cold dark matter universe (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Freeman, Ken C.
The disk galaxy simulated using our chemodynamic galaxy formation code, GCD+, is shown to have a thick-disk component. This is evidenced by the velocity dispersion versus age relation for solar...
The HIPASS Catalogue - I. Data presentation (2004)
Meyer, Martin J., Zwaan, Martin A., Webster, Rachel L., Staveley-Smith, Lister, Ryan-Weber, E., Drinkwater, Michael J., ...
Not available.
Stellar halo constraints on simulated late-type galaxies (2004)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
How do late-type spiral galaxies form within the context of a cold dark matter cosmology? We contrast N-body, smoothed particle hydrodynamical simulations of galaxy formation that employ two...
Anisotropy in the Distribution of Satellite Galaxy Orbits (2004)
Knebe, Alexander, Gill, Stuart P., Gibson, Brad K., Lewis, Geraint F., Ibata, Rodrigo A., Dopita, Michael A.
Nearby clusters such as Virgo and Coma possess galaxy distributions that tend to be aligned with the principal axis of the cluster itself. This has also been confirmed by a recent statistical...
Is the initial mass function of low surface brightness galaxies dominated by low-mass stars? (2004)
Lee, Hyun-Chul, Gibson, Brad K., Flynn, Chris, Kawata, Daisuke, Beasley, Michael A.
Not available.
Photometric properties of white dwarf dominated halos (2004)
Lee, Hyun-Chul, Gibson, Brad K., Fenner, Yeshe, Brook, Chris B., Kawata, Daisuke, Renda, Agostino, ...
Using stellar population synthesis techniques, we explore the photometric signatures of white dwarf progenitor dominated galactic halos, in order to constrain the fraction of halo mass that may be...
High-resolution N-body simulations of galactic cannibalism : the Magellanic stream (2004)
Connors, Tim W., Gibson, Brad K., Kawata, Daisuke, Maddison, Sarah T.
Hierarchical clustering represents the favoured paradigm for galaxy formation throughout the Universe; due to its proximity, the Magellanic system offers one of the few opportunities for...
Modelling self-pollution of globular clusters from asymptotic giant branch stars (2004)
Campbell, Simon W., Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C.
Not available.
Cosmological simulations of the high-redshift radio universe (2004)
Kawata, Daisuke, Gibson, Brad K., Windhorst, R. A.
Using self-consistent cosmological simulations of disc galaxy formation, we analyse the 1.4-GHz radio flux from high-redshift progenitors of present-day normal spirals within the context of...
The 1000 brightest HIPASS galaxies: H I properties (2004)
Koribalski, Baerbel S., Staveley-Smith, Lister, Kilborn, Virginia A., Ryder, Stuart D., Kraan-Korteweg, Rene C., Ryan-Weber, Emma V., ...
Abstract not available.
Constraints on early nucleosynthesis from the abundance of a damped Ly- system at z =2.626 (2004)
Fenner, Yeshe, Prochaska, Jason X., Gibson, Brad K.
We have investigated chemical evolution in the young universe by analyzing the detailed chemical enrichment pattern of a metal-rich galaxy at high redshift. The recent detection of over 20 elements...
The galactic habitable zone and the age distribution of complex life in the Milky Way (2004)
Lineweaver, Charles H., Fenner, Yeshe, Gibson, Brad K.
We modeled the evolution of the Milky Way to trace the distribution in space and time of four prerequisites for complex life: the presence of a host star, enough heavy elements to form terrestrial...
Interactions of satellite galaxies in cosmological dark matter halos (2004)
Knebe, Alexander, Gill, Stuart P., Gibson, Brad K.
We present a statistical analysis of the interactions between satellite galaxies in cosmological dark matter halos taken from fully self-consistent high-resolution simulations of galaxy clusters. We...
Galactic haloes in MONDian cosmological simulations (2004)
Knebe, Alexander, Gibson, Brad K.
In this paper, a series of high-resolution N-body simulations is presented in which the equations of motion have been changed to account for modified Newtonian dynamics (MOND). It is shown that a...
Abundance anomalies in NGC 6752 : are AGB stars the culprits? (2004)
Campbell, Simon W., Fenner, Yeshe, Karakas, Amanda I., Lattanzio, John C., Gibson, Brad K.
At the 7th Torino workshop held at the IoA, Cambridge University, in August 2004, a brief overview was given about the galactic globular cluster abundance anomalies problem, followed by a short...
On the origin of fluorine in the Milky Way (2004)
Renda, Agostino, Fenner, Yeshe, Gibson, Brad K., Karakas, Amanda I., Lattanzio, John C., Campbell, Simon W., ...
Not available.
The gaseous trail of the Sagittarius dwarf galaxy (2004)
Putman, Mary E., Thom, Christopher, Gibson, Brad K., Staveley-Smith, Lister
A possible gaseous component to the stream of debris from the Sagittarius dwarf galaxy is presented. We identify (4-10)×106 Msolar of neutral hydrogen along the orbit of the Sgr dwarf in the...
Burstein, David, Li, Yong, Freeman, Ken C., Norris, John, Bessell, Michael S., Bland-Hawthorn, Joss, ...
We find that the globular cluster (GC) systems of the Milky Way and of our neighboring spiral galaxy, M31, comprise two distinct entities, differing in three respects. First, M31 has a set of young...
Searching for variability in the globular cluster messier 4 (2004)
Ferdman, Robert D., Richer, Harvey B., Brewer, James, Fahlman, Greg G., Gibson, Brad K., Hansen, Brad M., ...
Time-series data taken with the Hubble Space Telescope of a field six core radii (~5') from the center of the globular cluster Messier 4, and covering a period of about 10 weeks in early 2001, have...
Hubble Space Telescope observations of the white dwarf cooling sequence of M4 (2004)
Hansen, Brad M., Richer, Harvey B., Fahlman, Greg G., Stetson, Peter B., Brewer, James, Currie, Thayne, ...
We investigate in detail the white dwarf cooling sequence of the globular cluster Messier 4. In particular, we study the influence of various systematic uncertainties, both observational and...
Kalirai, Jasonjot S., Richer, Harvey B., Hansen, Brad M., Stetson, Peter B., Shara, Michael M., Saviane, Ivo, ...
Not available.
Minchin, Robert F., De Blok, W. J., Ekers, Ron D., Garcia, Diego A., Gibson, Brad K., Grossi, Mario, ...
Minchin et al. have recently placed limits on the cosmological significance of gas-rich low surface brightness (LSB) galaxies as a proportion of the total population of gas-rich galaxies by carrying...
Richer, Harvey B., Brewer, James, Fahlman, Greg G., Kalirai, Jasonjot S., Stetson, Peter B., Hansen, Brad M., ...
We respond to the recent paper by De Marchi et al. on the white dwarf cooling age of M4. The authors question the data analysis and interpretation that led to our conclusions in Hansen et al. in...
Where are the high-velocity clouds in local group analogs? (2004)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C., Kilborn, Virginia A.
Abstract not available.
Hubble Space Telescope observations of the main sequence of M4 (2004)
Richer, Harvey B., Fahlman, Greg G., Brewer, James, Davis, Stuart, Kalirai, Jasonjot S., Stetson, Peter B., ...
We present new results from a photometric study of the main-sequence stars in M4 (NGC 6121=C1620-264), the closest globular cluster to the Sun. Multifield, multiepoch observations at approximately 1,...
The HIPASS catalogue - II. Completeness, reliability and parameter accuracy (2004)
Zwaan, Martin A., Meyer, Martin J., Webster, Rachel L., Staveley-Smith, Lister, Drinkwater, Michael J., Barnes, David G., ...
The HI Parkes All Sky Survey (HIPASS) is a blind extragalactic HI 21-cm emission-line survey covering the whole southern sky from declination -90° to +25°. The HIPASS catalogue (HICAT), containing...
The evolution of substructure - II. Linking dynamics to environment (2004)
Gill, Stuart P., Knebe, Alexander, Gibson, Brad K., Dopita, Michael A.
We present results from a series of high-resolution N-body simulations that focus on the formation and evolution of eight dark matter haloes, each of the order of a million particles within the...
The evolution of substructure - I. A new identification method (2004)
Gill, Stuart P., Knebe, Alexander, Gibson, Brad K.
We describe our new `MLAPM halo finder' (MHF), which is based on the adaptive grid structure of the N-body code MLAPM. We then extend the MHF code in order to track the orbital evolution of...
Beasley, Michael A., Kawata, Daisuke, Pearce, Frazer R., Forbes, Duncan A., Gibson, Brad K.
We explore a scenario in which metal-poor globular clusters (GCs) are enriched by the first supernovae in the universe. If the first stars in a 107 Msolar dark halo were very massive (>180 Msolar),...
An HI census of loose groups of galaxies (2004)
Pisano, Daniel J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C.
We present results from our Parkes Multibeam HI survey of 3 loose groups of galaxies that are analogous to the Local Group. This is a survey of groups containing only spiral galaxies with mean...
The HIPASS catalogue - II. Completeness, reliability and parameter accuracy (2004)
Zwaan, Martin A., Meyer, Martin J., Webster, Rachel L., Staveley-Smith, Lister, Drinkwater, Michael, ...
The HI Parkes All Sky Survey (HIPASS) is a blind extragalactic HI 21-cm emission-line survey covering the whole southern sky from declination −90◦ to +25◦. The HIPASS catalogue (HICAT),...
Galactic Chemical Evolution (2003)
Gibson, Brad K., Fenner, Yeshe, Renda, Agostino, Kawata, Daisuke, Lee, Hyun-chul
The primary present-day observables upon which theories of galaxy evolution are based are a system's morphology, dynamics, colour, and chemistry. Individually, each provides an important constraint...
Stellar Halo Constraints on Simulated Late Type Galaxies (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
How do late type spiral galaxies form within the context of a CDM cosmology? We contrast N-body, smoothed particle hydrodynamical simulations of galaxy formation which employ two different supernova...
Satellite galaxies in cosmological dark matter halos (2003)
Gill, Stuart P. D., Knebe, Alexander, Gibson, Brad K.
We present preliminary results from a series of high-resolution N-body simulations that focus on 8 dark matter halos each of order a million particles within the virial radius. We follow the time...
Anisotropy in the Distribution of Satellite Galaxy Orbits (2003)
Knebe, Alexander, Gill, Stuart P. D., Gibson, Brad K., Lewis, Geraint F., Ibata, Rodrigo A., Dopita, Michael A.
Nearby clusters such as Virgo and Coma possess galaxy distributions which tend to be aligned with the principal axis of the cluster itself. This has also been confirmed by a recent statistical...
An HI census of Loose Groups of Galaxies (2003)
Pisano, D. J., Barnes, David G., Gibson, Brad K., Staveley-Smith, Lister, Freeman, Ken C.
We present results from our Parkes Multibeam HI survey of 3 loose groups of galaxies that are analogous to the Local Group. This is a survey of groups containing only spiral galaxies with mean...
Beasley, Michael A., Kawata, Daisuke, Pearce, Frazer. R., Forbes, Duncan A., Gibson, Brad K.
We explore a scenario where metal-poor globular clusters (GCs) are enriched by the first supernovae in the Universe. If the first stars in a 10^7 Msun dark halo were very massive (>180 Msun), then a...
Multi-wavelength Cosmological Simulations of Elliptical Galaxies (2003)
Kawata, Daisuke, Gibson, Brad K.
We study the chemodynamical evolution of elliptical galaxies and their X-ray and optical properties using high-resolution cosmological simulations. Our Tree N-body/SPH code includes a self-consistent...
Is High-Velocity Cloud Complex C Associated with the Galactic Warp? (2003)
Kawata, Daisuke, Thom, Christopher, Gibson, Brad K.
We test the hypothesis that High-Velocity gas cloud Complex C is actually a high-latitude spiral arm extension in the direction of the Galactic warp, as opposed to the standard interpretation - that...
Simulating a White Dwarf-dominated Galactic Halo (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K.
Observational evidence has suggested the possibility of a Galactic halo which is dominated by white dwarfs (WDs). While debate continues concerning the interpretation of this evidence, it is clear...
Searching for Variability in the Globular Cluster Messier 4 (2003)
Ferdman, Robert D., Richer, Harvey B., Brewer, James, Fahlman, Greg G., Gibson, Brad K., Hansen, Brad M. S., ...
Time-series data taken with the Hubble Space Telescope of a field six core radii (~5') from the center of the globular cluster Messier 4, and covering a period of about 10 weeks in early 2001, have...
Deriving the Metallicity Distribution Function of Galactic Systems (2003)
Fenner, Yeshe, Gibson, Brad K.
The chemical evolution of the Milky Way is investigated using a dual-phase metal-enriched infall model in which primordial gas fuels the earliest epoch of star formation, followed by the ongoing...
Kalirai, Jasonjot S., Richer, Harvey B., Hansen, Brad M., Stetson, Peter B., Shara, Michael M., Saviane, Ivo, ...
We establish an extragalactic, zero-motion frame of reference within the deepest optical image of a globular star cluster, an HST 123-orbit exposure of M4 (GO 8679, cycle 9). The line of sight beyond...
Galactic Halos in MONDian Cosmological Simulations (2003)
Knebe, Alexander, Gibson, Brad K.
In this paper a series of high-resolution n-body simulations is presented in which the equations of motion have been changed to account for MOdified Newtonian Dynamics (MOND). It is shown that a...
The cosmic production of Helium (2003)
Jimenez, Raul, Flynn, Chris, MacDonald, James, Gibson, Brad K.
We estimate the cosmic production rate of helium relative to metals ($\Delta Y/\Delta Z$) using K dwarf stars in the Hipparcos catalog with accurate spectroscopic metallicities. The best fitting...
Galactic Halo Stars in Phase Space :A Hint of Satellite Accretion? (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present day chemical and dynamical properties of the Milky Way bear the imprint of the Galaxy's formation and evolutionary history. One of the most enduring and critical debates surrounding...
The 2001 Astronomy Job Market (2003)
An overview of the 2001 astronomy job market is presented, highlighting the recent hiring trends which prospective PhD students and postdocs might like to be aware of. Cosmology and extragalactic...
Simulating a white dwarf dominated Galactic halo (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K.
Observational evidence has suggested the possibility of a Galactic halo dominated by white dwarfs (WDs). While debate continues concerning the interpretation of this evidence, it is clear that an...
The cosmic production of helium (2003)
Flynn, Chris, Gibson, Brad K., Jimenez, Raul, MacDonald, James
Abstract not available.
H emission from high-velocity clouds and their distances (2003)
Putman, Mary E., Bland-Hawthorn, Joss, Veilleux, Sylvain, Gibson, Brad K., Freeman, Ken C., Maloney, Phil R., ...
We present deep Halpha spectroscopy toward several high-velocity clouds (HVCs), which vary in structure from compact HVCs (CHVCs) to the Magellanic Stream. The clouds range from being bright (sim640...
The Magellanic stream, high velocity clouds, and the sculptor group (2003)
Putman, Mary E., Staveley-Smith, Lister, Freeman, Kenneth C., Gibson, Brad K., Barnes, David G.
The Magellanic Stream is a 100deg×10deg filament of gas that lies within the Galactic halo and contains ~2×108 Msolar of neutral hydrogen. In this paper we present data from the H I Parkes All Sky...
Galactic halo stars in phase space: a hint of satellite accretion? (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present-day chemical and dynamical properties of the Milky Way bear the imprint of the Galaxy's formation and evolutionary history. One of the most enduring and critical debates surrounding...
On the origin of high-eccentricity halo stars (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present-day chemical and dynamical properties of the Milky Way aresignatures of the Galaxy's formation and evolution. Using a selfconsistent chemodynamical evolution code we examine these...
Simulating a white dwarf dominated Galactic halo (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K.
Observational evidence has suggested the possibility of a Galactic halo dominated by white dwarfs (WDs). While debate continues concerning the interpretation of this evidence, it is clear that an...
On the origin of high-eccentricity halo stars (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present-day chemical and dynamical properties of the Milky Way aresignatures of the Galaxy's formation and evolution. Using a selfconsistent chemodynamical evolution code we examine these...
The 1000 brightest HIPASS galaxies: the H I mass function and omegaHI (2003)
Zwaan, Martin A., Staveley-Smith, Lister, Koribalski, Baerbel S., Henning, Patricia A., Kilborn, Virginia A., Ryder, Stuart D., ...
Abstract not available.
H emission from high-velocity clouds and their distances (2003)
Putman, Mary E., Bland-Hawthorn, Joss, Veilleux, Sylvain, Gibson, Brad K., Freeman, Ken C., Maloney, Phil R.
We present deep Halpha spectroscopy toward several high-velocity clouds (HVCs), which vary in structure from compact HVCs (CHVCs) to the Magellanic Stream. The clouds range from being bright (sim640...
The Magellanic stream, high velocity clouds, and the sculptor group (2003)
Putman, Mary E., Staveley-Smith, Lister, Freeman, Kenneth C., Gibson, Brad K., Barnes, David G.
The Magellanic Stream is a 100deg×10deg filament of gas that lies within the Galactic halo and contains ~2×108 Msolar of neutral hydrogen. In this paper we present data from the H I Parkes All Sky...
Galactic halo stars in phase space: a hint of satellite accretion? (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present-day chemical and dynamical properties of the Milky Way bear the imprint of the Galaxy's formation and evolutionary history. One of the most enduring and critical debates surrounding...
The cosmic production of helium (2003)
Flynn, Chris, Gibson, Brad K., Jimenez, Raul, MacDonald, James
Abstract not available.
Simulating a white dwarf dominated Galactic halo (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K.
Observational evidence has suggested the possibility of a Galactic halo dominated by white dwarfs (WDs). While debate continues concerning the interpretation of this evidence, it is clear that an...
On the origin of high-eccentricity halo stars (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present-day chemical and dynamical properties of the Milky Way aresignatures of the Galaxy's formation and evolution. Using a selfconsistent chemodynamical evolution code we examine these...
The 1000 brightest HIPASS galaxies: The H I mass function and ΩHI (2003)
Zwaan, Martin A., Staveley-Smith, Lister, Koribalski, Baerbel S., Henning, Patricia A., Kilborn, Virginia A., Ryder, Stuart D., ...
Abstract not available.
H emission from high-velocity clouds and their distances (2003)
Putman, Mary E., Bland-Hawthorn, Joss, Veilleux, Sylvain, Gibson, Brad K., Freeman, Ken C., Maloney, Phil R.
We present deep Halpha spectroscopy toward several high-velocity clouds (HVCs), which vary in structure from compact HVCs (CHVCs) to the Magellanic Stream. The clouds range from being bright (sim640...
The Magellanic stream, high velocity clouds, and the sculptor group (2003)
Putman, Mary E., Staveley-Smith, Lister, Freeman, Kenneth C., Gibson, Brad K., Barnes, David G.
The Magellanic Stream is a 100deg×10deg filament of gas that lies within the Galactic halo and contains ~2×108 Msolar of neutral hydrogen. In this paper we present data from the H I Parkes All Sky...
Galactic halo stars in phase space: a hint of satellite accretion? (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present-day chemical and dynamical properties of the Milky Way bear the imprint of the Galaxy's formation and evolutionary history. One of the most enduring and critical debates surrounding...
The cosmic production of helium (2003)
Flynn, Chris, Gibson, Brad K., Jimenez, Raul, MacDonald, James
Abstract not available.
Beasley, Michael A., Kawata, Daisuke, Pearce, Frazer R., Forbes, Duncan A., Gibson, Brad K.
We explore a scenario in which metal-poor globular clusters (GCs) are enriched by the first supernovae in the universe. If the first stars in a 10 7 M-circle-dot dark halo were very massive (>180...
On the origin of high-eccentricity halo stars (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present-day chemical and dynamical properties of the Milky Way aresignatures of the Galaxy's formation and evolution. Using a selfconsistent chemodynamical evolution code we examine these...
Simulating a white dwarf dominated Galactic halo (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K.
Observational evidence has suggested the possibility of a Galactic halo dominated by white dwarfs (WDs). While debate continues concerning the interpretation of this evidence, it is clear that an...
H emission from high-velocity clouds and their distances (2003)
Putman, Mary E., Bland-Hawthorn, Joss, Veilleux, Sylvain, Gibson, Brad K., Freeman, Ken C., Maloney, Phil R.
We present deep Halpha spectroscopy toward several high-velocity clouds (HVCs), which vary in structure from compact HVCs (CHVCs) to the Magellanic Stream. The clouds range from being bright (sim640...
The Magellanic stream, high velocity clouds, and the sculptor group (2003)
Putman, Mary E., Staveley-Smith, Lister, Freeman, Kenneth C., Gibson, Brad K., Barnes, David G.
The Magellanic Stream is a 100deg×10deg filament of gas that lies within the Galactic halo and contains ~2×108 Msolar of neutral hydrogen. In this paper we present data from the H I Parkes All Sky...
Galactic halo stars in phase space: a hint of satellite accretion? (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present-day chemical and dynamical properties of the Milky Way bear the imprint of the Galaxy's formation and evolutionary history. One of the most enduring and critical debates surrounding...
The cosmic production of helium (2003)
Flynn, Chris, Gibson, Brad K., Jimenez, Raul, MacDonald, James
Abstract not available.
The 1000 brightest HIPASS galaxies: The H I mass function and ΩHI (2003)
Zwaan, Martin A., Staveley-Smith, Lister, Koribalski, Baerbel S., Henning, Patricia A., Kilborn, Virginia A., Ryder, Stuart D., ...
Abstract not available.
Beasley, Michael A., Kawata, Daisuke, Pearce, Frazer R., Forbes, Duncan A., Gibson, Brad K.
We explore a scenario in which metal-poor globular clusters (GCs) are enriched by the first supernovae in the universe. If the first stars in a 10 7 M-circle-dot dark halo were very massive (>180...
Beasley, Michael A., Kawata, Daisuke, Pearce, Frazer R., Forbes, Duncan A., Gibson, Brad K.
We explore a scenario in which metal-poor globular clusters (GCs) are enriched by the first supernovae in the universe. If the first stars in a 10 7 M-circle-dot dark halo were very massive (>180...
On the origin of high-eccentricity halo stars (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present-day chemical and dynamical properties of the Milky Way aresignatures of the Galaxy's formation and evolution. Using a selfconsistent chemodynamical evolution code we examine these...
Simulating a white dwarf dominated Galactic halo (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K.
Observational evidence has suggested the possibility of a Galactic halo dominated by white dwarfs (WDs). While debate continues concerning the interpretation of this evidence, it is clear that an...
The cosmic production of helium (2003)
Jimenez, Raul, Flynn, Chris, MacDonald, James, Gibson, Brad K.
We estimate the cosmic production rate of helium relative to metals (ΔY/ΔZ) using K dwarf stars in the Hipparcos catalog with accurate spectroscopic metallicities. The best fitting value is ΔY/ΔZ...
The 1000 brightest HIPASS galaxies: the H I mass function and omegaHI (2003)
Zwaan, Martin A., Staveley-Smith, Lister, Koribalski, Baerbel S., Henning, Patricia A., Kilborn, Virginia A., Ryder, Stuart D., ...
Abstract not available.
H emission from high-velocity clouds and their distances (2003)
Putman, Mary E., Bland-Hawthorn, Joss, Veilleux, Sylvain, Gibson, Brad K., Freeman, Ken C., Maloney, Phil R.
We present deep Halpha spectroscopy toward several high-velocity clouds (HVCs), which vary in structure from compact HVCs (CHVCs) to the Magellanic Stream. The clouds range from being bright (sim640...
The Magellanic stream, high velocity clouds, and the sculptor group (2003)
Putman, Mary E., Staveley-Smith, Lister, Freeman, Kenneth C., Gibson, Brad K., Barnes, David G.
The Magellanic Stream is a 100deg×10deg filament of gas that lies within the Galactic halo and contains ~2×108 Msolar of neutral hydrogen. In this paper we present data from the H I Parkes All Sky...
Galactic halo stars in phase space: a hint of satellite accretion? (2003)
Brook, Chris B., Kawata, Daisuke, Gibson, Brad K., Flynn, Chris
The present-day chemical and dynamical properties of the Milky Way bear the imprint of the Galaxy's formation and evolutionary history. One of the most enduring and critical debates surrounding...
GCD+: A New Chemodynamical Approach to Modeling SNe and Chemical Enrichment (2002)
Kawata, Daisuke, Gibson, Brad K.
We have developed a new galactic chemo-dynamical evolution code, called GCD+, for studies of galaxy formation and evolution. This code is based on our original three-dimensional tree N-body/smoothed...
Blue Horizontal-Branch Stars and Simple Stellar Populations (2002)
Lee, Hyun-chul, Lee, Young-Wook, Gibson, Brad K.
The effects of blue horizontal-branch (HB) stars on the integrated spectrophotometric indices of simple stellar populations (SSPs) are addressed. Synthetic spectra are drawn from a grid of simulated...
Gill, Stuart P. D., Knebe, Alexander, Gibson, Brad K., Flynn, Chris, Ibata, Rodrigo A., Lewis, Geraint F.
An adaptive multi grid approach to simulating the formation of structure from collisionless dark matter is described. MLAPM (Multi-Level Adaptive Particle Mesh) is one of the most efficient serial...
Simulating the Hot X-ray Emitting Gas in Elliptical Galaxies (2002)
Kawata, Daisuke, Gibson, Brad K.
We study the chemo-dynamical evolution of elliptical galaxies and their hot X-ray emitting gas using high-resolution cosmological simulations. Our Tree N-body/SPH code includes a self-consistent...
Horizontal-Branch Morphology and the Photometric Evolution of Old Stellar Populations (2002)
Lee, Hyun-chul, Lee, Young-Wook, Gibson, Brad K.
Theoretical integrated broad-band colors ranging from far-UV to near-IR have been computed for old stellar systems from our evolutionary population synthesis code. These models take into account, for...
The Lower Main Sequence and Mass Function of the Globular Cluster Messier 4 (2002)
Richer, Harvey B., Brewer, James, Fahlman, Gregory G., Gibson, Brad K., Hansen, Brad M., Ibata, Rodrigo, ...
The deepest optical image ever in a globular star cluster, a Hubble Space Telescope (HST) 123 orbit exposure in a single field of Messier 4, was obtained in 2 filters (F606W, F814W) over a 10 week...
The White Dwarf Cooling Sequence of the Globular Cluster Messier 4 (2002)
Hansen, Brad M. S., Brewer, James, Fahlman, Greg G., Gibson, Brad K., Ibata, Rodrigo, Limongi, Marco, ...
We present the white dwarf sequence of the globular cluster M4, based on a 123 orbit Hubble Space Telescope exposure, with limiting magnitude V = 30, I = 28. The white dwarf luminosity function rises...
AAT/WFI observations of the Extragalactic H I Cloud HIPASS J1712-64 (2002)
Lewis, Geraint F., Irwin, Michael J., Ibata, Rodrigo A., Gibson, Brad K.
AAT/WFI optical images of a candidate extragalactic HI cloud, HIPASS J1712-64, are presented. The g and r-band CCD mosaic camera frames were processed using a new data pipeline recently installed at...
A Limit on the Metallicity of Compact High Velocity Clouds (2002)
Sembach, Kenneth R., Gibson, Brad K., Fenner, Yeshe, Putman, Mary E.
There is a fortuitous coincidence in the positions of the quasar TonS210 and the compact H I high velocity cloud CHVC224.0-83.4-197 on the sky. Using Far Ultraviolet Spectroscopic Explorer...
The large-scale distribution of neutral hydrogen in the Fornax region (2002)
Waugh, Meryl, Drinkwater, Michael J., Webster, Rachel L., Staveley-Smith, Lister, Kilborn, Virginia A., Barnes, David G., ...
Abstract not available.
HIPASS high-velocity clouds: properties of the compact and extended populations (2002)
Putman, Mary E., De Heij, V., Staveley-Smith, Lister, Braun, R., Freeman, Kenneth C., Gibson, Brad K., ...
Abstract not available.
Horizontal-branch morphology and the photometric evolution of old stellar populations (2002)
Gibson, Brad K., Lee, Hyun-Chul, Lee, Young-Wook
Theoretical integrated broadband colors ranging from far-UV to near-IR have been computed for old stellar systems from our evolutionary population synthesis code. These models take into account, for...
The lower main sequence and mass function of the globular cluster Messier 4 (2002)
Richer, Harvey B., Brewer, James, Fahlman, Gregory G., Gibson, Brad K., Hansen, Brad M., Ibata, Rodrigo A., ...
The deepest optical image ever in a globular star cluster, a Hubble Space Telescope (HST) 123 orbit exposure in a single field of Messier 4, was obtained in 2 filters (F606W, F814W) over a 10 week...
A catalog of H I-selected galaxies from the south celestial cap region of sky (2002)
Kilborn, Virginia A., Webster, Rachel L., Staveley-Smith, Lister, Marquarding, Malte, Banks, Gareth D., Barnes, David G., ...
Abstract not available.
The Cepheid period-luminosity relation in the Large Magellanic Cloud (2002)
Sebo, Kim M., Rawson, Daya, Mould, Jeremy R., Madore, Barry F., Putman, Mary E., Graham, John A., ...
A homogeneous set of ground-based BVRI observations of ~600 Cepheids is presented to check the Cepheid period-luminosity zero point for the Large Magellanic Cloud (LMC). The sample of Cepheids is...
The large-scale distribution of neutral hydrogen in the Fornax region (2002)
Waugh, Meryl, Drinkwater, Michael J., Webster, Rachel L., Staveley-Smith, Lister, Kilborn, Virginia A., Barnes, David G., ...
Abstract not available.
HIPASS high-velocity clouds: properties of the compact and extended populations (2002)
Putman, Mary E., De Heij, V., Staveley-Smith, Lister, Braun, R., Freeman, Kenneth C., Gibson, Brad K., ...
Abstract not available.
A catalog of H I-selected galaxies from the south celestial cap region of sky (2002)
Kilborn, Virginia A., Webster, Rachel L., Staveley-Smith, Lister, Marquarding, Malte, Banks, Gareth D., Barnes, David G., ...
Abstract not available.
Horizontal-branch morphology and the photometric evolution of old stellar populations (2002)
Gibson, Brad K., Lee, Hyun-Chul, Lee, Young-Wook
Theoretical integrated broadband colors ranging from far-UV to near-IR have been computed for old stellar systems from our evolutionary population synthesis code. These models take into account, for...
The lower main sequence and mass function of the globular cluster Messier 4 (2002)
Richer, Harvey B., Brewer, James, Fahlman, Gregory G., Gibson, Brad K., Hansen, Brad M., Ibata, Rodrigo A., ...
The deepest optical image ever in a globular star cluster, a Hubble Space Telescope (HST) 123 orbit exposure in a single field of Messier 4, was obtained in 2 filters (F606W, F814W) over a 10 week...
The Cepheid period-luminosity relation in the Large Magellanic Cloud (2002)
Sebo, Kim M., Rawson, Daya, Mould, Jeremy R., Madore, Barry F., Putman, Mary E., Graham, John A., ...
A homogeneous set of ground-based BVRI observations of ~600 Cepheids is presented to check the Cepheid period-luminosity zero point for the Large Magellanic Cloud (LMC). The sample of Cepheids is...
The large-scale distribution of neutral hydrogen in the Fornax region (2002)
Waugh, Meryl, Drinkwater, Michael J., Webster, Rachel L., Staveley-Smith, Lister, Kilborn, Virginia A., Barnes, David G., ...
Abstract not available.
HIPASS high-velocity clouds: properties of the compact and extended populations (2002)
Putman, Mary E., De Heij, V., Staveley-Smith, Lister, Braun, R., Freeman, Kenneth C., Gibson, Brad K., ...
Abstract not available.
A catalog of H I-selected galaxies from the south celestial cap region of sky (2002)
Kilborn, Virginia A., Webster, Rachel L., Staveley-Smith, Lister, Marquarding, Malte, Banks, Gareth D., Barnes, David G., ...
Abstract not available.
Horizontal-branch morphology and the photometric evolution of old stellar populations (2002)
Gibson, Brad K., Lee, Hyun-Chul, Lee, Young-Wook
Theoretical integrated broadband colors ranging from far-UV to near-IR have been computed for old stellar systems from our evolutionary population synthesis code. These models take into account, for...
The lower main sequence and mass function of the globular cluster Messier 4 (2002)
Richer, Harvey B., Brewer, James, Fahlman, Gregory G., Gibson, Brad K., Hansen, Brad M., Ibata, Rodrigo A., ...
The deepest optical image ever in a globular star cluster, a Hubble Space Telescope (HST) 123 orbit exposure in a single field of Messier 4, was obtained in 2 filters (F606W, F814W) over a 10 week...
The Cepheid period-luminosity relation in the Large Magellanic Cloud (2002)
Sebo, Kim M., Rawson, Daya, Mould, Jeremy R., Madore, Barry F., Putman, Mary E., Graham, John A., ...
A homogeneous set of ground-based BVRI observations of ~600 Cepheids is presented to check the Cepheid period-luminosity zero point for the Large Magellanic Cloud (LMC). The sample of Cepheids is...
The large-scale distribution of neutral hydrogen in the Fornax region (2002)
Waugh, Meryl, Drinkwater, Michael J., Webster, Rachel L., Staveley-Smith, Lister, Kilborn, Virginia A., Barnes, David G., ...
Abstract not available.
The lower main sequence and mass function of the globular cluster Messier 4 (2002)
Richer, Harvey B., Brewer, James, Fahlman, Gregory G., Gibson, Brad K., Hansen, Brad M., Ibata, Rodrigo A., ...
The deepest optical image ever in a globular star cluster, a Hubble Space Telescope (HST) 123 orbit exposure in a single field of Messier 4, was obtained in 2 filters (F606W, F814W) over a 10 week...
HIPASS high-velocity clouds: properties of the compact and extended populations (2002)
Putman, Mary E., De Heij, V., Staveley-Smith, Lister, Braun, R., Freeman, Kenneth C., Gibson, Brad K., ...
Abstract not available.
A catalog of H I-selected galaxies from the south celestial cap region of sky (2002)
Kilborn, Virginia A., Webster, Rachel L., Staveley-Smith, Lister, Marquarding, Malte, Banks, Gareth D., Barnes, David G., ...
Abstract not available.
The Cepheid period-luminosity relation in the Large Magellanic Cloud (2002)
Sebo, Kim M., Rawson, Daya, Mould, Jeremy R., Madore, Barry F., Putman, Mary E., Graham, John A., ...
A homogeneous set of ground-based BVRI observations of ~600 Cepheids is presented to check the Cepheid period-luminosity zero point for the Large Magellanic Cloud (LMC). The sample of Cepheids is...
Horizontal-branch morphology and the photometric evolution of old stellar populations (2002)
Gibson, Brad K., Lee, Hyun-Chul, Lee, Young-Wook
Theoretical integrated broadband colors ranging from far-UV to near-IR have been computed for old stellar systems from our evolutionary population synthesis code. These models take into account, for...
The lower main sequence and mass function of the globular cluster Messier 4 (2002)
Richer, Harvey B., Brewer, James, Fahlman, Gregory G., Gibson, Brad K., Hansen, Brad M., Ibata, Rodrigo A., ...
The deepest optical image ever in a globular star cluster, a Hubble Space Telescope (HST) 123 orbit exposure in a single field of Messier 4, was obtained in 2 filters (F606W, F814W) over a 10 week...
The Cepheid period-luminosity relation in the Large Magellanic Cloud (2002)
Sebo, Kim M., Rawson, Daya, Mould, Jeremy R., Madore, Barry F., Putman, Mary E., Graham, John A., ...
A homogeneous set of ground-based BVRI observations of ~600 Cepheids is presented to check the Cepheid period-luminosity zero point for the Large Magellanic Cloud (LMC). The sample of Cepheids is...
The large-scale distribution of neutral hydrogen in the Fornax region (2002)
Waugh, Meryl, Drinkwater, Michael J., Webster, Rachel L., Staveley-Smith, Lister, Kilborn, Virginia A., Barnes, David G., ...
Abstract not available.
HIPASS high-velocity clouds: properties of the compact and extended populations (2002)
Putman, Mary E., De Heij, V., Staveley-Smith, Lister, Braun, R., Freeman, Kenneth C., Gibson, Brad K., ...
Abstract not available.
A catalog of H I-selected galaxies from the south celestial cap region of sky (2002)
Kilborn, Virginia A., Webster, Rachel L., Staveley-Smith, Lister, Marquarding, Malte, Banks, Gareth D., Barnes, David G., ...
Abstract not available.
Horizontal-branch morphology and the photometric evolution of old stellar populations (2002)
Gibson, Brad K., Lee, Hyun-Chul, Lee, Young-Wook
Theoretical integrated broadband colors ranging from far-UV to near-IR have been computed for old stellar systems from our evolutionary population synthesis code. These models take into account, for...
The Infall of Gas onto the Galactic Disk (2001)
Ongoing accretion of low-metallicity gas onto the disk is a natural prediction of semi-analytical Galactic chemical evolution models. This star formation fuel ameliorates the overproduction of...
The Distance to Supernova 1998aq in NGC3982 (2001)
Stetson, Peter B., Gibson, Brad K.
The distance to NGC3982, host galaxy to the Type Ia supernova SN1998aq, is derived using 32 Cepheids discovered in archival multi-epoch Hubble Space Telescope observations. Employing recent Large...
Simulating a white dwarf dominated halo (2001)
Brook, C. B., Kawata, Daisuke, Gibson, Brad K.
Halo initial mass functions (IMFs) heavily biased toward white dwarf (WD) precursors ~1-8 Msun have been suggested as a suitable mechanism for explaining MACHO events. However, by simple chemical...
A Numerical Study of the Chemo-Dynamical Evolution of Elliptical Galaxies (2001)
Kawata, Daisuke, Gibson, Brad K.
We investigate the chemo-dynamical evolution of elliptical galaxies, to understand the origin of the mass-dependence of photometric properties such as the colour-magnitude relation (CMR). Our...
High-Velocity Cloud Complex C: Galactic Fuel or galactic Waste? (2001)
Gibson, Brad K., Giroux, Mark L., Penton, Steven V., Stocke, John T., Shull, J. Michael, Tumlinson, Jason
We present HST GHRS and STIS observations of five QSOs that probe the prominent high-velocity cloud (HVC) Complex C, covering 10% of the northern sky. Based upon a single sightline measurement (Mrk...
Are High-Velocity Clouds the Building Blocks of the Local Group? (2001)
Gibson, Brad K., Fenner, Yeshe, Maddison, Sarah T., Kawata, Daisuke
Motivated by the apparent order-of-magnitude discrepancy between the observed number of Local Group satellite galaxies, and that predicted by Lambda-CDM hierarchical clustering cosmologies, we...
White Dwarfs and Dark Matter (2001)
Oppenheimer et al. (2001) have argued recently that at least 2% of the Galactic halo is comprised of white dwarfs If true, this finding has crucial implications for understanding the formation and...
The H I Parkes all sky survey : southern observations, calibration and robust imaging (2001)
Barnes, David G., Haynes, Ray F., Staveley-Smith, Lister, De Blok, W.J., Oosterloo, Tom, Calabretta, M. R., ...
The acquisition of H i Parkes All Sky Survey (HIPASS) southern sky data commenced at the Australia Telescope National Facility's Parkes 64-m telescope in 1997 February, and was completed in 2000...
Supernova 1991T and the value of the hubble constant (2001)
Gibson, Brad K., Stetson, Peter B.
Based on multiepoch Hubble Space Telescope observations, we present the discovery of 16 high-quality Cepheid candidates in NGC 4527. Corrected for metallicity effects in the Cepheid period-luminosity...
HIPASS detection of an intergalactic gas cloud in the NGC 2442 group (2001)
Ryder, Stuart D., Koribalski, Baerbel S., Staveley-Smith, Lister, Kilborn, Virginia A., Malin, David F., Banks, Gareth D., ...
We report the discovery from the H I Parkes All-Sky Survey (HIPASS) of a gas cloud associated with the asymmetric spiral galaxy NGC 2442. This object, designated HIPASS J0731-69, contains ~109 Msolar...
Final results from the Hubble Space Telescope key project to measure the Hubble Constant (2001)
Freedman, Wendy L., Madore, Barry F., Gibson, Brad K., Ferrarese, Laura, Kelson, Daniel D., Sakai, Shoko, ...
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised...
High-velocity cloud complex C: galactic fuel or galactic waste? (2001)
Gibson, Brad K., Giroux, Mark L., Penton, Steven P., Stocke, John T., Shull, J. Michael, Tumlinson, Jason, ...
Not available.
Macri, Lucas M., Calzetti, Daniela, Freedman, Wendy L., Gibson, Brad K., Graham, John A., Huchra, John P., ...
We present the results of near-infrared observations of extragalactic Cepheids made with the Near-Infrared Camera and Multi-Object Spectrometer on board the Hubble Space Telescope (HST). The...
White dwarfs and dark matter (2001)
Based on the identification of 38 white dwarfs with halo kinematics, in a survey covering 10% of the sky near the south galactic pole, Oppenheimer et al. argued that at least 2% of the dark matter in...
White dwarfs and dark matter (2001)
Based on the identification of 38 white dwarfs with halo kinematics, in a survey covering 10% of the sky near the south galactic pole, Oppenheimer et al. argued that at least 2% of the dark matter in...
The H I Parkes all sky survey : southern observations, calibration and robust imaging (2001)
Barnes, David G., Haynes, Ray F., Staveley-Smith, Lister, De Blok, W.J., Oosterloo, Tom, Calabretta, M. R., ...
The acquisition of H i Parkes All Sky Survey (HIPASS) southern sky data commenced at the Australia Telescope National Facility's Parkes 64-m telescope in 1997 February, and was completed in 2000...
Supernova 1991T and the value of the hubble constant (2001)
Gibson, Brad K., Stetson, Peter B.
Based on multiepoch Hubble Space Telescope observations, we present the discovery of 16 high-quality Cepheid candidates in NGC 4527. Corrected for metallicity effects in the Cepheid period-luminosity...
HIPASS detection of an intergalactic gas cloud in the NGC 2442 group (2001)
Ryder, Stuart D., Koribalski, Baerbel S., Staveley-Smith, Lister, Kilborn, Virginia A., Malin, David F., Banks, Gareth D., ...
We report the discovery from the H I Parkes All-Sky Survey (HIPASS) of a gas cloud associated with the asymmetric spiral galaxy NGC 2442. This object, designated HIPASS J0731-69, contains ~109 Msolar...
Final results from the Hubble Space Telescope key project to measure the Hubble Constant (2001)
Freedman, Wendy L., Madore, Barry F., Gibson, Brad K., Ferrarese, Laura, Kelson, Daniel D., Sakai, Shoko, ...
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised...
High-velocity cloud complex C: galactic fuel or galactic waste? (2001)
Gibson, Brad K., Giroux, Mark L., Penton, Steven P., Stocke, John T., Shull, J. Michael, Tumlinson, Jason
Not available.
Macri, Lucas M., Calzetti, Daniela, Freedman, Wendy L., Gibson, Brad K., Graham, John A., Huchra, John P., ...
We present the results of near-infrared observations of extragalactic Cepheids made with the Near-Infrared Camera and Multi-Object Spectrometer on board the Hubble Space Telescope (HST). The...
White dwarfs and dark matter (2001)
Based on the identification of 38 white dwarfs with halo kinematics, in a survey covering 10% of the sky near the south galactic pole, Oppenheimer et al. argued that at least 2% of the dark matter in...
The H I Parkes all sky survey : southern observations, calibration and robust imaging (2001)
Barnes, David G., Haynes, Ray F., Staveley-Smith, Lister, De Blok, W.J., Oosterloo, Tom, Calabretta, M. R., ...
The acquisition of H i Parkes All Sky Survey (HIPASS) southern sky data commenced at the Australia Telescope National Facility's Parkes 64-m telescope in 1997 February, and was completed in 2000...
Supernova 1991T and the value of the hubble constant (2001)
Gibson, Brad K., Stetson, Peter B.
Based on multiepoch Hubble Space Telescope observations, we present the discovery of 16 high-quality Cepheid candidates in NGC 4527. Corrected for metallicity effects in the Cepheid period-luminosity...
HIPASS detection of an intergalactic gas cloud in the NGC 2442 group (2001)
Ryder, Stuart D., Koribalski, Baerbel S., Staveley-Smith, Lister, Kilborn, Virginia A., Malin, David F., Banks, Gareth D., ...
We report the discovery from the H I Parkes All-Sky Survey (HIPASS) of a gas cloud associated with the asymmetric spiral galaxy NGC 2442. This object, designated HIPASS J0731-69, contains ~109 Msolar...
Final results from the Hubble Space Telescope key project to measure the Hubble Constant (2001)
Freedman, Wendy L., Madore, Barry F., Gibson, Brad K., Ferrarese, Laura, Kelson, Daniel D., Sakai, Shoko, ...
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised...
High-velocity cloud complex C: galactic fuel or galactic waste? (2001)
Gibson, Brad K., Giroux, Mark L., Penton, Steven P., Stocke, John T., Shull, J. Michael, Tumlinson, Jason
Not available.
Macri, Lucas M., Calzetti, Daniela, Freedman, Wendy L., Gibson, Brad K., Graham, John A., Huchra, John P., ...
We present the results of near-infrared observations of extragalactic Cepheids made with the Near-Infrared Camera and Multi-Object Spectrometer on board the Hubble Space Telescope (HST). The...
The H I Parkes all sky survey : southern observations, calibration and robust imaging (2001)
Barnes, David G., Haynes, Ray F., Staveley-Smith, Lister, De Blok, W.J., Oosterloo, Tom, Calabretta, M. R., ...
The acquisition of H i Parkes All Sky Survey (HIPASS) southern sky data commenced at the Australia Telescope National Facility's Parkes 64-m telescope in 1997 February, and was completed in 2000...
White dwarfs and dark matter (2001)
Based on the identification of 38 white dwarfs with halo kinematics, in a survey covering 10% of the sky near the south galactic pole, Oppenheimer et al. argued that at least 2% of the dark matter in...
Supernova 1991T and the value of the hubble constant (2001)
Gibson, Brad K., Stetson, Peter B.
Based on multiepoch Hubble Space Telescope observations, we present the discovery of 16 high-quality Cepheid candidates in NGC 4527. Corrected for metallicity effects in the Cepheid period-luminosity...
HIPASS detection of an intergalactic gas cloud in the NGC 2442 group (2001)
Ryder, Stuart D., Koribalski, Baerbel S., Staveley-Smith, Lister, Kilborn, Virginia A., Malin, David F., Banks, Gareth D., ...
We report the discovery from the H I Parkes All-Sky Survey (HIPASS) of a gas cloud associated with the asymmetric spiral galaxy NGC 2442. This object, designated HIPASS J0731-69, contains ~109 Msolar...
Final results from the Hubble Space Telescope key project to measure the Hubble Constant (2001)
Freedman, Wendy L., Madore, Barry F., Gibson, Brad K., Ferrarese, Laura, Kelson, Daniel D., Sakai, Shoko, ...
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised...
High-velocity cloud complex C: galactic fuel or galactic waste? (2001)
Gibson, Brad K., Giroux, Mark L., Penton, Steven P., Stocke, John T., Shull, J. Michael, Tumlinson, Jason
Not available.
Macri, Lucas M., Calzetti, Daniela, Freedman, Wendy L., Gibson, Brad K., Graham, John A., Huchra, John P., ...
We present the results of near-infrared observations of extragalactic Cepheids made with the Near-Infrared Camera and Multi-Object Spectrometer on board the Hubble Space Telescope (HST). The...
HIPASS detection of an intergalactic gas cloud in the NGC 2442 group (2001)
Ryder, Stuart D., Koribalski, Baerbel S., Staveley-Smith, Lister, Kilborn, Virginia A., Malin, David F., Banks, Gareth D., ...
We report the discovery from the H I Parkes All-Sky Survey (HIPASS) of a gas cloud associated with the asymmetric spiral galaxy NGC 2442. This object, designated HIPASS J0731-69, contains ~109 Msolar...
Supernova 1991T and the value of the hubble constant (2001)
Gibson, Brad K., Stetson, Peter B.
Based on multiepoch Hubble Space Telescope observations, we present the discovery of 16 high-quality Cepheid candidates in NGC 4527. Corrected for metallicity effects in the Cepheid period-luminosity...
HIPASS detection of an intergalactic gas cloud in the NGC 2442 group (2001)
Ryder, Stuart D., Koribalski, Baerbel S., Staveley-Smith, Lister, Kilborn, Virginia A., Malin, David F., Banks, Gareth D., ...
We report the discovery from the H I Parkes All-Sky Survey (HIPASS) of a gas cloud associated with the asymmetric spiral galaxy NGC 2442. This object, designated HIPASS J0731-69, contains ~109 Msolar...
Final results from the Hubble Space Telescope key project to measure the Hubble Constant (2001)
Freedman, Wendy L., Madore, Barry F., Gibson, Brad K., Ferrarese, Laura, Kelson, Daniel D., Sakai, Shoko, ...
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised...
High-velocity cloud complex C: galactic fuel or galactic waste? (2001)
Gibson, Brad K., Giroux, Mark L., Penton, Steven P., Stocke, John T., Shull, J. Michael, Tumlinson, Jason
Not available.
Macri, Lucas M., Calzetti, Daniela, Freedman, Wendy L., Gibson, Brad K., Graham, John A., Huchra, John P., ...
We present the results of near-infrared observations of extragalactic Cepheids made with the Near-Infrared Camera and Multi-Object Spectrometer on board the Hubble Space Telescope (HST). The...
The H I Parkes all sky survey : southern observations, calibration and robust imaging (2001)
Barnes, David G., Haynes, Ray F., Staveley-Smith, Lister, De Blok, W.J., Oosterloo, Tom, Calabretta, M. R., ...
The acquisition of H i Parkes All Sky Survey (HIPASS) southern sky data commenced at the Australia Telescope National Facility's Parkes 64-m telescope in 1997 February, and was completed in 2000...
Type Ia Supernovae and the Value of the Hubble Constant (2000)
Gibson, Brad K., Brook, Chris B.
The methodology involved in deriving the Hubble Constant via the calibration of the corrected peak luminosities of Type Ia supernovae (SNe) is reviewed. We first present a re-analysis of the...
Supernova 1991T and the Value of the Hubble Constant (2000)
Gibson, Brad K., Stetson, Peter B.
Based upon multi-epoch Hubble Space Telescope observations, we present the discovery of sixteen high-quality Cepheid candidates in NGC 4527. Corrected for metallicity effects in the Cepheid...
The Local Ly-alpha Forest: HI in Nearby Intergalactic Space (2000)
Stocke, John T., Shull, J. Michael, Penton, Steven V., Gibson, Brad K., Giroux, Mark L., McLin, Kevin M.
Detecting HI using redshifted Ly-alpha absorption lines is 1e6 times more sensitive than using the 21cm emission line. We review recent discoveries of HI Ly-alpha absorbers made with the Hubble Space...
Do High-Velocity Clouds Really Fuel Galactic Star Formation? (2000)
Gibson, Brad K., Giroux, Mark L., Stocke, John T., Shull, J. Michael
Tantalizing evidence has been presented supporting the suggestion that a large population of extragalactic gas clouds permeates the Local Group, a population which has been associated with the...
Metal Abundances in the Magellanic Stream (2000)
Gibson, Brad K., Giroux, Mark L., Penton, Steven V., Putman, Mary E., Stocke, John T., Shull, J. Michael
We report on the first metallicity determination for gas in the Magellanic Stream, using archival HST GHRS data for the background targets Fairall 9, III Zw 2, and NGC 7469. For Fairall 9, using two...
Detecting dark matter in high-velocity clouds (2000)
Lewis, Geraint F., Bland-Hawthorn, Joss, Gibson, Brad K., Putman, Mary E.
Abstract not available.
Detecting dark matter in high-velocity clouds (2000)
Lewis, Geraint F., Bland-Hawthorn, Joss, Gibson, Brad K., Putman, Mary E.
Abstract not available.
Detecting dark matter in high-velocity clouds (2000)
Lewis, Geraint F., Bland-Hawthorn, Joss, Gibson, Brad K., Putman, Mary E.
Abstract not available.
Detecting dark matter in high-velocity clouds (2000)
Lewis, Geraint F., Bland-Hawthorn, Joss, Gibson, Brad K., Putman, Mary E.
Abstract not available.
Detecting dark matter in high-velocity clouds (2000)
Lewis, Geraint F., Bland-Hawthorn, Joss, Gibson, Brad K., Putman, Mary E.
Abstract not available.
Has Blending Compromised Cepheid-Based Determinations of the Extragalactic Distance Scale? (1999)
Gibson, Brad K., Maloney, Philip R., Sakai, Shoko
We examine the suggestion that half of the HST Key Project- and Sandage/Saha-observed galaxies have had their distances systematically underestimated, by 0.1-0.3 mag in the distance modulus, due to...
The Distance to the Large Magellanic Cloud (1999)
A summary of recent Large Magellanic Cloud distance determinations mu(LMC) is presented, with an eye towards pinpointing the source(s) of the resulting large discrepancies encountered between some of...
Ferrarese, Laura, Ford, Holland C., Huchra, John, Kennicutt, Robert C., Mould, Jeremy R., ...
We present a compilation of Cepheid distance moduli and data for four secondary distance indicators that employ stars in the old stellar populations: the planetary nebula luminosity function (PNLF),...
Mould, Jeremy R, Huchra, John P, Freedman, Wendy L, Kennicutt Jr, Robert C, Ferrarese, Laura, Ford, Holland C, ...
Since the launch of the Hubble Space Telescope nine years ago, Cepheid distances to 25 galaxies have been determined for the purpose of calibrating secondary distance indicators. A variety of these...
Sakai, Shoko, Mould, Jeremy R., Hughes, Shaun M. G., Huchra, John P., Macri, Lucas M., Kennicutt, Robert C., ...
This paper presents the calibration of BVRIH$ Tully-Fisher relations based on Cepheid distances to 21 galaxies within 25 Mpc, and 23 clusters within 10,000 km/s. These relations have been applied to...
Kelson, Daniel D., Illingworth, Garth D., Tonry, John L., Freedman, Wendy L., Kennicutt, Robert C., ...
Using published photometry and spectroscopy, we construct the fundamental plane and D_n-Sigma relations in Leo I, Virgo and Fornax. The published Cepheid P-L relations to spirals in these clusters...
Ferrarese, Laura, Mould, Jeremy R., Kennicutt, Robert C., Huchra, John, Ford, Holland C., ...
A Cepheid-based calibration is derived for four distance indicators that utilize stars in the old stellar populations: the tip of the red giant branch (TRGB), the planetary nebula luminosity function...
Gibson, Brad K., Stetson, Peter B., Freedman, Wendy L., Mould, Jeremy R., Kennicutt, Robert C., ...
Cepheid-based distances to seven Type Ia supernovae (SNe)-host galaxies have been derived using the standard HST Key Project on the Extragalactic Distance Scale pipeline. For the first time, this...
Prosser, Charles F., Kennicutt, Robert C., Bresolin, Fabio, Saha, Abhijit, Sakai, Shoko, ...
We report on the detection of Cepheids and the first distance measurement to the spiral galaxy NGC 1326-A, a member of the Fornax cluster of galaxies. We have employed data obtained with the Wide...
Sakai, Shoko, Ferrarese, Laura, Kennicutt, Robert C., Graham, John A., Silbermann, N. A., Mould, Jeremy R., ...
The distance to NGC 3319 has been determined from Cepheid variable stars as part of the Hubble Space Telescope Key Project on the Extragalactic Distance Scale. Thirteen and four epochs of...
The Spectroscopic Age of 47 Tuc (1999)
Gibson, Brad K., Madgwick, Darren S., Jones, Lewis A., Da Costa, Gary S., Norris, John E.
High signal-to-noise integrated spectra of the metal-rich globular cluster 47 Tuc, spanning the H-gamma(HR) and Fe4668 line indices, have been obtained. The combination of these indices has been...
On the Importance of PhD Institute in Establishing a Long-Term Research Career in Astronomy (1999)
Gibson, Brad K., Buxton, Michelle, Vassiliadis, Emanuel, Sevenster, Maartje N., Jones, D. Heath, Thornberry, Rebecca K.
We have examined the success rates of 19 American, Canadian, Australian, and Dutch graduate programs in producing astronomers. A 20-year baseline was considered (1975-1994), incorporating 897 PhD...
Summary of Recent Progress in Understanding HVCs (1999)
Wakker, Bart P., Van Woerden, Hugo, Gibson, Brad K.
The study of high-velocity clouds has progressed much since the appearance of the review article by Wakker & van Woerden (1997), less than two years ago. Much of this progress is described in these...
Stromlo Workshop on High-Velocity Clouds - Conference Highlights (1998)
Gibson, Brad K., Wakker, Bart P.
A highly colloquialized summary of the Stromlo Workshop on High-Velocity Clouds, held Aug 14-15, 1998, at Mount Stromlo Observatory. The proceedings will be edited by Brad Gibson and Mary Putman, and...
Gibson, Brad K., Hughes, Shaun M. G., Stetson, Peter B., Freedman, Wendy L., Kennicutt, Robert C., ...
The distance to NGC 4725 has been derived from Cepheid variables, as part of the Hubble Space Telescope Key Project on the Extragalactic Distance Scale. Thirteen F555W (V) and four F814W (I) epochs...
Ferrarese, Laura, Bresolin, Fabio, Kennicutt, Robert C., Saha, Abhijit, Stetson, Peter B., ...
We report the detection of Cepheids and a new distance to the spiral galaxy NGC 2541, based on data obtained with the Wide Field and Planetary Camera 2 on board the Hubble Space Telescope (HST). A...