Quasars and Their Host Galaxies

2006/01/12 by M. Lacy, Mark Lacy
Physics and Astronomy · #Accretion (finance) #Astrophysical Phenomena and Observations #Black hole (networking) #Galaxies: Formation, Evolution, Phenomena #Galaxy #Gamma-ray bursts and supernovae #OVV quasar #Quasar #Supermassive black hole #astro-ph

paper · pdf · doi:10.1007/3-540-30313-8_6

Review article, to appear in Astrophysics Update 2

arxiv created 2006/01/12 · openalex publication_date 2006/08/28 · arxiv updated 2015/06/24 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

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.

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