Quasars and their host galaxies

Abstract

This review attempts to describe developments in the fields of quasar and quasar host galaxies in the past five. In this time period, the Sloan and 2dF quasar surveys have added several tens of thousands of quasars, with Sloan quasars being found to z>6. Obscured, or partially obscured quasars have begun to be found in significant numbers. Black hole mass estimates for quasars, and our confidence in them, have improved significantly, allowing a start on relating quasar properties such as radio jet power to fundamental parameters of the quasar such as black hole mass and accretion rate. Quasar host galaxy studies have allowed us to find and characterize the host galaxies of quasars to z>2. Despite these developments, many questions remain unresolved, in particular the origin of the close relationship between black hole mass and galaxy bulge mass/velocity dispersion seen in local galaxies.

Review article, to appear in Astrophysics Update 2

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• The extraordinary mid-infrared spectral properties of FeLoBAL Quasars
• Host Galaxies of Luminous Quasars: Structural Properties and the Fundamental Plane
• The host galaxies of luminous type 2 AGN at $z\sim$0.3-0.4
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