AAS 207th Meeting, 8-12 January 2006
Session 62 The COSMOS Survey
Poster, Tuesday, 9:20am-6:30pm, January 10, 2006, Exhibit Hall

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[62.04] A Spectroscopic Survey of AGN in COSMOS

J. R. Trump, C. D. Impey (Steward), P. J. McCarthy (Carnegie), M. Elvis, J. P. Huchra (CfA), M. Brusa, G. Hasinger, E. Schinnerer (Max Planck), S. J. Lilly (Zurich), N. Z. Scoville (Caltech)

We describe a spectroscopic survey of AGN in the 2 deg2 COSMOS field. The size, depth, and extensive multi-wavelength observations of the survey allow for bolometric studies of AGN in a wide variety of environments. Here we present the spectroscopic redshifts for the first ~500 X-ray and radio-selected AGN targets. Spectra were obtained with the Magellan (Baade) IMACS instrument, using the nod-and-shuffle technique. We identify a variety of Type 1 and Type 2 AGN, as well as red galaxies with no emission lines. Our redshift yield is 72% down to i\rm AB=24, but we expect the yield to increase as the survey continues. When our survey is complete and additional redshifts from the ESO VLT are included, we expect ~1100 AGN with redshifts over the entire COSMOS field.

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