Dissecting Photometric Redshift for Active Galactic Nucleus Using XMM- and Chandra-COSMOS Samples Newer:Black Hole Accretion and Host Galaxies of Obscured Quasars in XMM-COSMOSOlder:Secular Evolution and a Non-Evolving Black-Hole-to-Galaxy Mass Ratio in the Last 7 Gyr PostedNovember 4, 2011 AuthorScienceSites Categories2011