THE GEMINI/HST CLUSTER PROJECT: STRUCTURAL AND PHOTOMETRIC PROPERTIES OF GALAXIES IN THREE z=0.28-0.89 CLUSTERS

We present the data processing and analysis techniques we are using to determine the structural and photometric properties of galaxies in our Gemini/HST Galaxy Cluster Project sample. The goal of this study is to understand cluster galaxy evolution in terms of scaling relations and structural properties of cluster galaxies at redshifts 0.15 2 galaxies fitted with r 1/4 law profiles are -0.1±0.3 and 0.1±0.2, respectively. The combination of effective radius and surface brightness, log re - βlog 〈I〉e, that enters the Fundamental Plane produces offsets smaller than -0.02±0.10. This systematic error is insignificant and independent of galaxy magnitude or size. A catalog of photometry and surface brightness profile parameters is presented for three of the clusters in our sample, RX J0142.0+2131, RX J0152.7-1357, and RX J1226.9+3332 at redshifts 0.28, 0.83, and 0.89, respectively. © 2009. The American Astronomical Society. All rights reserved