Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21111904k&link_type=abstract
American Astronomical Society, AAS Meeting #211, #119.04; Bulletin of the American Astronomical Society, Vol. 39, p.948
Astronomy and Astrophysics
Astronomy
Scientific paper
Recent results on samples of high-redshift obscured AGN candidates will be presented from large current multi-wavelength surveys, such as GOODS and COSMOS. The ability to combine deep, wide imaging obtained with HST, Chandra, Spitzer and ground-based facilities provides opportunities to select new samples of obscured AGN at high redshift that are faint or undetected at optical wavelengths but well detected in the infrared and X-rays. Together with deep spectroscopy programs, these observations are used to understand the spectral energy distributions of the sources and constrain the properties of their host galaxies as well as their central black holes. The results are used to examine the evolution of the AGN luminosity function up to high redshift, with corresponding implications for the co-evolution of galaxies and their supermassive black holes.
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