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...
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,...
The Origin of the Light Distribution in Spiral Galaxies (2009)
Sanchez-Blazquez, Patricia, Courty, Stephanie, Gibson, Brad, Brook, Christopher
We analyse a high-resolution, fully cosmological, hydrodynamical disc galaxy simulation, to study the source of the double-exponential light profiles seen in many stellar discs, and the effects of...
The ESO Distant Cluster Sample: galaxy evolution and environment out to z=1 (2009)
Poggianti, Bianca M., Aragon-Salamanca, Alfonso, Bamford, Steven, Barazza, Fabio, Best, Philip, Clowe, Douglas, ...
The ESO Distant Cluster Survey (EDisCS, P.I. Simon D.M. White, LP 166.A-0162) is an ESO large programme aimed at studying clusters and cluster galaxies at z=0.4-1. How different is the evolution of...
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...
Matkovic, Ana, Guzman, Rafael, Sanchez-Blazquez, Patricia, Gorgas, Javier, Cardiel, Nicolas, Gruel, Nicolas
We present line-strength measurements for 74 early-type galaxies in the core of the Coma cluster reaching down to velocity dispersions, sigma, of 30 km/s. The index-sigma relations for our sample,...
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)...
Spatially resolved spectroscopy of early-type galaxies over a range in mass (2007)
Sanchez-Blazquez, Patricia, Forbes, Duncan A., Strader, Jay, Brodie, Jean P., Proctor, Robert N.
Long-slit spectra have been obtained with the Keck telescope for a sample of 11 early-type galaxies covering a wide range in luminosity and hence mass. Rotation velocity and velocity dispersions,...
Spatially resolved spectroscopy of early-type galaxies over a range in mass (2007)
Sanchez-Blazquez, Patricia, Forbes, Duncan A., Strader, Jay, Brodie, Jean P., Proctor, Robert N.
Long-slit spectra have been obtained with the Keck telescope for a sample of 11 early-type galaxies covering a wide range in luminosity and hence mass. Rotation velocity and velocity dispersions,...
Spatially resolved spectroscopy of early-type galaxies over a range in mass (2007)
Sanchez-Blazquez, Patricia, Forbes, Duncan A., Strader, Jay, Brodie, Jean P., Proctor, Robert N.
Long-slit spectra have been obtained with the Keck telescope for a sample of 11 early-type galaxies covering a wide range in luminosity and hence mass. Rotation velocity and velocity dispersions,...
Stellar population gradients in early-type galaxies (2007)
Sanchez-Blazquez, Patricia, Forbes, Duncan A., Strader, Jay, Ocvirk, Pierre, Brodie, Jean P., Proctor, Robert N.
Long-slit spectra have been obtained with the Keck telescope for a sample of 11 early-type galaxies covering a range in luminosity. Rotation velocity and velocity dispersions, together with 20 Lick...
Spatially resolved spectroscopy of early-type galaxies over a range in mass (2007)
Sanchez-Blazquez, Patricia, Forbes, Duncan A., Strader, Jay, Brodie, Jean P., Proctor, Robert N.
Long-slit spectra have been obtained with the Keck telescope for a sample of 11 early-type galaxies covering a wide range in luminosity and hence mass. Rotation velocity and velocity dispersions,...
Stellar population gradients in early-type galaxies (2007)
Sanchez-Blazquez, Patricia, Forbes, Duncan A., Strader, Jay, Ocvirk, Pierre, Brodie, Jean P., Proctor, Robert N.
Long-slit spectra have been obtained with the Keck telescope for a sample of 11 early-type galaxies covering a range in luminosity. Rotation velocity and velocity dispersions, together with 20 Lick...
Stellar population gradients in early-type galaxies (2007)
Sanchez-Blazquez, Patricia, Forbes, Duncan A., Strader, Jay, Ocvirk, Pierre, Brodie, Jean P., Proctor, Robert N.
Long-slit spectra have been obtained with the Keck telescope for a sample of 11 early-type galaxies covering a range in luminosity. Rotation velocity and velocity dispersions, together with 20 Lick...
Stellar population gradients in early-type galaxies (2007)
Sanchez-Blazquez, Patricia, Forbes, Duncan A., Strader, Jay, Ocvirk, Pierre, Brodie, Jean P., Proctor, Robert N.
Long-slit spectra have been obtained with the Keck telescope for a sample of 11 early-type galaxies covering a range in luminosity. Rotation velocity and velocity dispersions, together with 20 Lick...
Spatially resolved spectroscopy of early-type galaxies over a range in mass (2007)
Sanchez-Blazquez, Patricia, Forbes, Duncan A., Strader, Jay, Brodie, Jean P., Proctor, Robert N.
Long-slit spectra have been obtained with the Keck telescope for a sample of 11 early-type galaxies covering a wide range in luminosity and hence mass. Rotation velocity and velocity dispersions,...
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...
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...
MILES: A Medium resolution INT Library of Empirical Spectra (2006)
Sanchez-Blazquez, Patricia, Peletier, Reynier, Jimenez-Vicente, Jorge, Cardiel, Nicolas, Cenarro, A. Javier, Falcon-Barroso, Jesus, ...
A new stellar library developed for stellar population synthesis modeling is presented. The library consist of 985 stars spanning a large range in atmospheric parameters. The spectra were obtained at...
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...
Are red tidal features unequivocal signatures of major dry mergers? (2006)
Kawata, Daisuke, Mulchaey, John S., Gbson, Brad K., Sanchez-Blazquez, Patricia
Abstract not available.
Medium-resolution Isaac Newton Telescope library of empirical spectra (2006)
Sanchez-Blazquez, Patricia, Peletier, Reynier F., Jimenez-Vicente, Jorge, Cardiel, Nicolás, Cenarro, A. Javier, Falcón-Barroso, Jesús, ...
Abstract not available.
An imaging study of the globular cluster systems of NGC 1407 and 1400 (2006)
Forbes, Duncan A., Sanchez-Blazquez, Patricia, Phan, Anna T. T., Brodie, Jean P., Strader, Jay, Spitler, Lee R., ...
We present wide-field Keck telescope imaging of the globular cluster (GC) systems around NGC 1407 and 1400 in the Eridanus galaxy cloud. This is complemented by Hubble Space Telescope (HST) images...
Medium-resolution Isaac Newton Telescope library of empirical spectra (2006)
Sanchez-Blazquez, Patricia, Peletier, Reynier F., Jimenez-Vicente, Jorge, Cardiel, Nicolás, Cenarro, A. Javier, Falcon-Barroso, Jesus, ...
Abstract not available.
An imaging study of the globular cluster systems of NGC 1407 and 1400 (2006)
Forbes, Duncan A., Sanchez-Blazquez, Patricia, Phan, Anna T. T., Brodie, Jean P., Strader, Jay, Spitler, Lee R.
We present wide-field Keck telescope imaging of the globular cluster (GC) systems around NGC 1407 and 1400 in the Eridanus galaxy cloud. This is complemented by Hubble Space Telescope (HST) images...
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.
Medium-resolution Isaac Newton Telescope library of empirical spectra (2006)
Sanchez-Blazquez, Patricia, Peletier, Reynier F., Jimenez-Vicente, Jorge, Cardiel, Nicolás, Cenarro, A. Javier, Falcón-Barroso, Jesús, ...
Abstract not available.
An imaging study of the globular cluster systems of NGC 1407 and 1400 (2006)
Forbes, Duncan A., Sanchez-Blazquez, Patricia, Phan, Anna T. T., Brodie, Jean P., Strader, Jay, Spitler, Lee R.
We present wide-field Keck telescope imaging of the globular cluster (GC) systems around NGC 1407 and 1400 in the Eridanus galaxy cloud. This is complemented by Hubble Space Telescope (HST) images...
Are red tidal features unequivocal signatures of major dry mergers? (2006)
Kawata, Daisuke, Mulchaey, John S., Gbson, Brad K., Sanchez-Blazquez, Patricia
Abstract not available.
Are red tidal features unequivocal signatures of major dry mergers? (2006)
Kawata, Daisuke, Mulchaey, John S., Gbson, Brad K., Sanchez-Blazquez, Patricia
Abstract not available.
Medium-resolution Isaac Newton Telescope library of empirical spectra (2006)
Sanchez-Blazquez, Patricia, Peletier, Reynier F., Jimenez-Vicente, Jorge, Cardiel, Nicolás, Cenarro, A. Javier, Falcón-Barroso, Jesús, ...
Abstract not available.
An imaging study of the globular cluster systems of NGC 1407 and 1400 (2006)
Forbes, Duncan A., Sanchez-Blazquez, Patricia, Phan, Anna T. T., Brodie, Jean P., Strader, Jay, Spitler, Lee R.
We present wide-field Keck telescope imaging of the globular cluster (GC) systems around NGC 1407 and 1400 in the Eridanus galaxy cloud. This is complemented by Hubble Space Telescope (HST) images...
Medium-resolution Isaac Newton Telescope library of empirical spectra (2006)
Sanchez-Blazquez, Patricia, Peletier, Reynier F., Jimenez-Vicente, Jorge, Cardiel, Nicolás, Cenarro, A. Javier, Falcon-Barroso, Jesus, ...
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.
An imaging study of the globular cluster systems of NGC 1407 and 1400 (2006)
Forbes, Duncan A., Sanchez-Blazquez, Patricia, Phan, Anna T. T., Brodie, Jean P., Strader, Jay, Spitler, Lee R.
We present wide-field Keck telescope imaging of the globular cluster (GC) systems around NGC 1407 and 1400 in the Eridanus galaxy cloud. This is complemented by Hubble Space Telescope (HST) images...
An Imaging Study of the Globular Cluster Systems of NGC 1407 and NGC 1400 (2005)
Forbes, Duncan, Sanchez-Blazquez, Patricia, Phan, Anna, Brodie, Jean, Strader, Jay, Spitler, Lee
We present wide-field Keck telescope imaging of the globular cluster (GC) systems around NGC 1407 and NGC 1400 in the Eridanus galaxy cloud. This is complemented by Hubble Space Telescope images from...
The Correlation of Metallicity Gradient with Galaxy Mass (2005)
Forbes, Duncan A., Sanchez-Blazquez, Patricia, Proctor, Robert
A number of previous studies have searched for a correlation between radial metallicity gradients and early-type galaxy mass -- no convincing trends have been found. Here we re-examine this issue...