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The Multimission Archive at the Space Telescope Science Institute in the context of VO activities
Inga Kamp, Randall Thompson, Alberto Conti +7
In the past year, the Multimission Archive at the Space Telescope Science Institute (MAST) has taken major steps in making MAST's holdings available using VO-defined protocols and…
The Evolution of Early-type Red Galaxies with the GEMS Survey: Luminosity-size and Stellar Mass-size Relations Since z=1
Daniel H. McIntosh, Eric F. Bell, Hans-Walter Rix +14
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…
Cosmological weak lensing with the HST GEMS survey
Catherine Heymans, Michael L. Brown, Marco Barden +16
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)…
Evolution and Impact of Bars over the Last Eight Billion Years: Early Results from GEMS
S. Jogee, F. D. Barazza, H. -W. Rix +24
Bars drive the dynamical evolution of disk galaxies by redistributing mass and angular momentum, and they are ubiquitous in present-day spirals. Early studies of the Hubble Deep Fi…
Bar Evolution Over the Last Eight Billion Years: A Constant Fraction of Strong Bars in GEMS
S. Jogee, F. D. Barazza, H. -W. Rix +25
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 tim…
GEMS: which galaxies dominate the z~0.7 ultraviolet luminosity density?
C. Wolf, E. F. Bell, D. H. McIntosh +14
We combine high-resolution images from GEMS with redshifts and spectral energy distributions from COMBO-17 to explore the morphological types of galaxies that dominate the z~0.7 UV…