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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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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.