Probing the Coevolution of Supermassive Black Holes and Galaxies Using Gravitationally Lensed Quasar Hosts Newer:The Cosmic Evolution Survey (COSMOS): OverviewOlder:Magellan Spectroscopy of AGN Candidates in the COSMOS Field PostedMay 26, 2006 AuthorScienceSites Categories2006 Tagsquasar, gravitational lensing, black hole