Feedback from radio-loud AGN

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Abstract

The evidence for direct interactions between radio-loud active galactic nuclei (AGN) and their surrounding gas is reviewed. New results from the Sloan Digital Sky Survey provide insightful information on the origin of radio-loud AGN activity, and allow study of the energetic influence of the radio-loud AGN on their surroundings, and the consequences of this for the accretion of gas onto elliptical galaxies. These results show that recurrent radio-loud AGN activity may provide a self-regulating feedback mechanism capable of controlling the rate of growth of galaxies. Finally, the effect of radio-loud AGN activity on gas at the scales of galaxy clusters is discussed. (c) 2006 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)168-173
Number of pages6
JournalNew Astronomy Reviews
Volume51
Issue number1-2
DOIs
Publication statusPublished - Feb 2007

Keywords

  • galaxies : active
  • galaxies : evolution
  • accretion
  • radio continuum : galaxies
  • cooling flows
  • ACTIVE GALACTIC NUCLEI
  • DIGITAL-SKY-SURVEY
  • GALAXY FORMATION
  • BLACK-HOLES
  • COOLING FLOWS
  • HOST GALAXIES
  • CLUSTERS
  • GAS
  • LUMINOSITIES
  • SAMPLE

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