Jogee, Shardha, Miller, Sarah H., Penner, Kyle, Skelton, Rosalind E., Conselice, Christopher J., Somerville, Rachel S., ...
We perform a comprehensive estimate of the frequency of galaxy mergers and their impact on star formation over z~0.24--0.80 (lookback time T_b~3--7 Gyr) using 3698 (M*>=1e9 Msun) galaxies with GEMS...
An explanation for the observed weak size evolution of disk galaxies (2008)
Somerville, Rachel S., Barden, Marco, Rix, Hans-Walter, Bell, Eric F., Beckwith, Steven V. W., Borch, Andrea, ...
Surveys of distant galaxies with the Hubble Space Telescope and from the ground have shown that there is only mild evolution in the relationship between radial size and stellar mass for galactic...
GEMS survey data and catalog (2008)
Caldwell, John A. R., McIntosh, Daniel H., Rix, Hans-Walter, Barden, Marco, Beckwith, Steven V. W., Bell, Eric F., ...
We describe the data reduction and object cataloging for the GEMS survey, a large-area (800 arcmin2) two-band (F606W and F850LP) imaging survey with the Advanced Camera for Surveys on the Hubble...
Detecting Life-bearing Extra-solar Planets with Space Telescopes (2007)
One of the promising methods to search for life on extra-solar planets (exoplanets) is to detect life's signatures in their atmospheres. Spectra of exoplanet atmospheres at the modest resolution...
GEMS: Galaxy fitting catalogues and testing parametric galaxy fitting codes (2007)
Ler, Boris Häu\ss, McIntosh, Daniel H., Barden, Marco, Bell, Eric F., Rix, Hans-Walter, Borch, Andrea, ...
In the context of measuring structure and morphology of intermediate redshift galaxies with recent HST/ACS surveys, we tune, test, and compare two widely used fitting codes (GALFIT and GIM2D) for...
GEMS: galaxy fitting catalogs and testing parametric galaxy fitting codes: GALFIT and GIM2D (2007)
Häußler, Boris, McIntosh, Daniel H., Barden, Marco, Bell, Eric F., Rix, Hans-Walter, Borch, Andrea, ...
In the context of measuring the structures of intermediate-redshift galaxies with HST ACS surveys, we tune, test, and compare two widely used fitting codes (GALFIT and GIM2D) for fitting...
GEMS: the destiny of blue spheroidal galaxies (2007)
Häußler, Boris, Bell, Eric F., Barden, Marco, McIntosh, Daniel H., Rix, Hans-Walter, Borch, Andrea, ...
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An Explanation for the Observed Weak Size Evolution of Disk Galaxies (2006)
Somerville, Rachel S., Barden, Marco, Rix, Hans-Walter, Bell, Eric F., Beckwith, Steven V. W., Borch, Andrea, ...
Surveys of distant galaxies with the Hubble Space Telescope and from the ground have shown that there is only mild evolution in the relationship between radial size and stellar mass for galactic...
Kundurthy, Praveen, Meyer, Michael R., Robberto, Massimo, Beckwith, Steven V. W., Herbst, Tom
We present mid-IR N-band $(\lambda_{eff} = 10.2\micron)$ photometry of a carefully selected sample of T Tauri stars thought to be single from the Taurus-Auriga molecular cloud. Infrared excesses in...
The Hubble Ultra Deep Field (2006)
Beckwith, Steven V. W., Stiavelli, Massimo, Koekemoer, Anton M., Caldwell, John A. R., Ferguson, Henry C., Hook, Richard, ...
This paper presents the Hubble Ultra Deep Field (HUDF), a one million second exposure of an 11 square minute-of-arc region in the southern sky with the Hubble Space Telescope. The exposure time was...
Heymans, Catherine, Bell, Eric F., Rix, Hans-Walter, Barden, Marco, Borch, Andrea, Caldwell, John A. R., ...
We present constraints on the evolution of the virial to stellar mass ratio of galaxies with high stellar masses in the redshift range 0.2
Kundurthy, Praveen, Meyer, Michael R., Robberto, Massimo, Beckwith, Steven V. W., Herbst, Tom
We present mid-IR N-band (lambdaeff=10.2 mum) photometry of a carefully selected sample of T Tauri stars thought to be single from the Taurus-Auriga molecular cloud. Infrared excesses in these stars...
Heymans, Catherine, Bell, Eric F., Rix, Hans-Walter, Barden, Marco, Borch, Andrea, Caldwell, John A. R., ...
We present constraints on the evolution of the virial to stellar mass ratio of galaxies with high stellar masses in the redshift range 0.2 < z < 0.8, by comparing weak lensing measurements of virial...
The Hubble Ultra Deep Field (2006)
Beckwith, Steven V. W., Stiavelli, Massimo, Koekemoer, Anton M., Caldwell, John A. R., Ferguson, Henry C., Hook, Richard, ...
This paper presents the Hubble Ultra Deep Field (HUDF), a 1 million s exposure of an 11 arcmin2 region in the southern sky with the Advanced Camera for Surveys on the Hubble Space Telescope using...
Dry Mergers in GEMS: The Dynamical Evolution of Massive Early-Type Galaxies (2005)
Bell, Eric F., Naab, Thorsten, McIntosh, Daniel H., Somerville, Rachel S., Caldwell, John A. R., Barden, Marco, ...
We have used the 28'x 28' HST image mosaic from the GEMS (Galaxy Evolution from Morphology and SEDs) survey in conjunction with the COMBO-17 photometric redshift survey to constrain the incidence of...
GEMS: The Size Evolution of Disk Galaxies (2005)
Barden, Marco, Rix, Hans-Walter, Somerville, Rachel S., Bell, Eric F., Haeussler, Boris, Peng, Chien Y., ...
We combine HST imaging from the GEMS survey with photometric redshifts from COMBO-17 to explore the evolution of disk-dominated galaxies since z
McIntosh, Daniel H., Bell, Eric F., Rix, Hans-Walter, Wolf, Christian, Heymans, Catherine, Peng, Chien Y., ...
We combine imaging from the Hubble Space Telescope Advanced Camera for Surveys, as part of the GEMS (Galaxy Evolution from Morphologies and SEDs) survey, with redshifts and rest-frame quantities from...
Cosmological weak lensing with the HST GEMS survey (2005)
Heymans, Catherine, Brown, Michael L., Barden, Marco, Caldwell, John A. R., Jahnke, Knud, Peng, Chien Y., ...
We present our cosmic shear analysis of GEMS, one of the largest wide-field surveys ever undertaken by the Hubble Space Telescope. Imaged with the Advanced Camera for Surveys (ACS), GEMS spans 795...
GEMS: The surface brightness and surface mass density evolution of disk galaxies (2005)
Barden, Marco, Rix, Hans-Walter, Somerville, Rachel S., Bell, Eric F., Häußler, Boris, Peng, Chien Y., ...
We combine HST imaging from the GEMS (Galaxy Evolution from Morphologies and SEDs) survey with photometric redshifts from COMBO-17 to explore the evolution of disk-dominated galaxies since z
McIntosh, Daniel H., Bell, Eric F., Rix, Hans-Walter, Wolf, Christian, Heymans, Catherine, Peng, Chien Y., ...
We combine HST/ACS imaging from the GEMS survey with redshifts and rest-frame quantities from COMBO-17 to study the evolution of morphologically early-type galaxies with red colors since z=1. We use...
Cosmological weak lensing with the HST GEMS survey (2004)
Heymans, Catherine, Brown, Michael L., Barden, Marco, Caldwell, John A. R., Jahnke, Knud, Peng, Chien Y., ...
We present our cosmic shear analysis of GEMS, one of the largest wide-field surveys ever undertaken by the Hubble Space Telescope. Imaged with the Advanced Camera for Surveys (ACS), GEMS spans 795...
GEMS: Galaxy Evolution from Morphologies and SEDs (2004)
Rix, Hans-Walter, Barden, Marco, Beckwith, Steven V. W., Bell, Eric F., Caldwell, John A. R., Haeussler, Boris, ...
GEMS, Galaxy Evolution from Morphologies and SEDs, is a large-area (800 arcmin2) two-color (F606W and F850LP) imaging survey with the Advanced Camera for Surveys on HST. Centered on the Chandra Deep...
GEMS: Galaxy evolution from morphologies and SEDs (2004)
Rix, Hans-Walter, Barden, Marco, Beckwith, Steven V. W., Bell, Eric F., Borch, Andrea, Caldwell, John A. R., ...
GEMS (Galaxy Evolution from Morphologies and SEDs) is a large-area (800 arcmin2) two-color (F606W and F850LP) imaging survey with the Advanced Camera for Surveys on the Hubble Space Telescope....
GEMS imaging of red-sequence galaxies at z~0.7: Dusty or old? (2004)
Bell, Eric F., McIntosh, Daniel H., Barden, Marco, Wolf, Christian, Caldwell, John A. R., Rix, Hans-Walter, ...
We have used the 30'times;30' Hubble Space Telescope image mosaic from the Galaxy Evolution from Morphology and Spectral energy distributions (GEMS) project in conjunction with the COMBO-17 deep...
Jogee, Shardha, Barazza, Fabio D., Rix, Hans-Walter, Shlosman, Isaac, Barden, Marco, Wolf, Christian, ...
One-third of present-day spirals host optically visible strong bars that drive their dynamical evolution. However, the fundamental question of how bars evolve over cosmological times has yet to be...
GEMS Imaging of Red Sequence Galaxies at z~0.7: Dusty or Old? (2003)
Bell, Eric F., McIntosh, Daniel H., Barden, Marco, Wolf, Christian, Caldwell, John A. R., Rix, Hans-Walter, ...
We have used the 30'x30' Hubble Space Telescope image mosaic from the Galaxy Evolution from Morphology and SEDs (GEMS) project in conjunction with the COMBO-17 deep photometric redshift survey to...
Discovery of Reflection Nebulosity Around Five Vega-like Stars (2001)
Kalas, Paul, Graham, James R., Beckwith, Steven V. W., Jewitt, David C., Lloyd, James P.
Coronagraphic optical observations of six Vega-like stars reveal reflection nebulosities, five of which were previously unknown. The nebulosities illuminated by HD 4881, HD 23362, HD 23680, HD 26676,...
Structure and Evolution of Circumstellar Disks Around Young Stars: New Views from ISO (2000)
Meyer, Michael R., Beckwith, Steven V. W.
A question central to understanding the origin of our solar system is: how do planets form in circumstellar disks around young stars? Because of the complex nature of the physical processes involved,...
Silicate Emission in T Tauri Stars: Evidence for Disk Atmospheres? (1999)
Natta, Antonella, Meyer, Michael R., Beckwith, Steven V. W.
We present low-resolution mid-infrared spectra of nine classical T Tauri stars associated with the Chamaeleon I dark cloud. The data were obtained with the PHOT-S instrument on-board the Infrared...
This article is a tutorial on deriving physical properties from the spectral energy distributions of circumstellar disks. It includes a new derivation of disk mass from millimeter-wave flux density...
Dust Properties and Assembly of Large Particles in Protoplanetary Disks (1999)
Beckwith, Steven V. W., Henning, Thomas, Nakagawa, Yoshitsugu
Recent research on the buildup of rocks from small dust grains has reaffirmed that grain growth in protoplanetary disks should occur quickly. Calculation of growth rates have been made for a variety...