[81.08] The Palomar Observatory Wide-Field Infrared Survey: Tracing the Evolution of Massive and Red Galaxies to $z \sim 1.5$

AAS 205th Meeting, 9-13 January 2005
Session 81 Mapping the Universe
Oral, Tuesday, January 11, 2005, 2:00-3:30pm, Town and Country

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[81.08] The Palomar Observatory Wide-Field Infrared Survey: Tracing the Evolution of Massive and Red Galaxies to z ~1.5

C.J. Conselice, K. Bundy, R. Ellis (Caltech), P. Eisenhardt (JPL), DEEP2 Collaboration

We present results from the Palomar Observatory Wide-field Infrared (POWIR) survey concerning the evolution of red and massive galaxies out to z ~1 utilizing deep (K_Vega = 20.5-21) K-band imaging and spectroscopy. We utilize 0.5 square degree of this imaging in the Extended Groth Strip, with 4,000 DEEP2 radial velocities out to z ~1.4, selected to have R < 24. We discuss the properties of galaxies selected in this sample by their red optical-infrared color, high luminosities, and large stellar masses. We find that the stellar masses of the most massive galaxies are largely in place by z~1, and that there is a relatively good correspondence between the reddest galaxies, as selected through the ERO criteria, (R-K) > 5.3 or (I-K) > 4, and the most massive galaxies at z > 0.9. We furthermore present the redshifts distributions for these red galaxies, and use their SEDs and spectral features to determine other physical properties.

The author(s) of this abstract have provided an email address for comments about the abstract: cc@astro.caltech.edu

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