Mass Dependent Evolution Of Cluster Early-Type Galaxies Since Z=1

Details Mass Dependent Evolution Of Cluster Early-Type Galaxies Since Z=1 Mass Dependent Evolution Of Cluster Early-Type Galaxies Since Z=1

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21360812f&link_type=abstract

American Astronomical Society, AAS Meeting #213, #608.12

Astronomy and Astrophysics

Astronomy

Scientific paper

Galaxies in clusters at intermediate redshift are useful probes to study the formation and the evolution of early-type galaxies. By measuring the kinematics and structure parameters of these galaxies their evolution in mass and mass-to-light ratios can be derived. This allows us to put constraints on the formation epoch and subsequent evolution of spheroids up to the present-day.
Using a combination of deep optical Gemini/GMOS spectroscopy and HST/ACS imaging we have collected a comprehensive homogeneous data set of 15 massive, X-ray luminous galaxy clusters from z=0 to 1. The high signal-to-noise spectroscopy allows us to measure detailed kinematics and absorption line strengths for our target galaxies. We show results of a detailed study of about 50 early-type galaxies in three distant galaxy clusters at 0.8AF acknowledges support by NASA through grant number HST-GO-10826.01 from the Space Telescope Science Institute. STScI is operated by AURA, Inc., under NASA contract NAS 5-26555.

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