Secular Evolution and a Non-Evolving Black-Hole-to-Galaxy Mass Ratio in the Last 7 Gyr Newer:Dissecting Photometric Redshift for Active Galactic Nucleus Using XMM- and Chandra-COSMOS SamplesOlder:Accretion Rate and the Physical Nature of Unobscured Active Galaxies PostedOctober 11, 2011 AuthorScienceSites Categories2011