The z ~ 1.2 Galaxy Luminosity Function from The LCIR Survey
H. -W. Chen, P. J. McCarthy, R. O. Marzke, R. G. Carlberg, A. E. Firth, S. E. Persson, R. G. McMahon, O. Lahav, P. Martini, R. S. Ellis, R. G. Abraham, A. Oemler, R. S. Somerville
Abstract
We present results from the Las Campanas Infrared Survey, designed to identify a statistically significant sample of z>=1 galaxies using photometric redshift techniques. Here we summarize the design and strategies of the survey and present the first estimate of the galaxy luminosity function at z>=1 based on H-band selected galaxies identified in our survey. Results of number count studies and luminosity function measurements indicate that most early-type galaxies were already in place by z~1.2 with a modest space density evolution and a mild luminosity evolution over that expected from passive evolution.
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