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Luminosity Evolution of Early-type Galaxies to z=0.83: Constraints on Formation Epoch and Omega
Pieter G. van Dokkum, Marijn Franx, Daniel D. Kelson +1
We present deep spectroscopy with the Keck telescope of eight galaxies in the luminous X-ray cluster MS1054-03 at z=0.83. The data are combined with imaging observations from the H…
The Color-Magnitude Relation in CL 1358+62 at z=0.33: Evidence for Significant Evolution in the S0 Population
Pieter G. van Dokkum, Marijn Franx, Daniel D. Kelson +3
We use a large mosaic of HST WFPC2 images to measure the colors and morphologies of 194 spectroscopically confirmed members of the rich galaxy cluster CL1358+62 at z=0.33. We study…
A Spectroscopic Survey of the Galaxy Cluster CL 1358+62 at z=0.328
D. Fisher, D. Fabricant, M. Franx +1
We present a spectroscopic survey of the rich, X-ray selected, galaxy cluster CL 1358+6245 at z=0.328. When our 173 new multi-slit spectra of cluster galaxies are combined with dat…