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Evolution of AGN Space Densities and the Fanaroff–Riley Dichotomy

Published online by Cambridge University Press:  03 June 2010

Melanie A. Gendre ,
Jasper V. Wall  and
Philip Best
Melanie A. Gendre
Affiliation:
Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Rd, Vancouver, BC, V6T 1Z1, Canada Email: mgendre@phas.ubc.ca
Jasper V. Wall
Affiliation:
Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Rd, Vancouver, BC, V6T 1Z1, Canada Email: mgendre@phas.ubc.ca
Philip Best
Affiliation:
Institute for Astronomy, Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ, UK
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Abstract

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We focus on a comparison of the space densities of FR I and FR II extended radio sources at different epochs, and find that FR I and FR II sources show similar space density enhancements in various redshift ranges, possibly implying a common evolution.

Keywords

galaxies: activegalaxies: evolutiongalaxies: luminosity function
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S267: Co-Evolution of Central Black Holes and Galaxies , August 2009 , pp. 109
Copyright
Copyright © International Astronomical Union 2010

References

Fanaroff, B. L. & Riley, J. M. 1974, MNRAS, 167, 31PCrossRefGoogle Scholar
Gendre, M. A. & Wall, J. V. 2008, MNRAS, 390, 819Google Scholar
Gendre, M. A., Best, P. N., & Wall, J. V. 2009, submitted to MNRASGoogle Scholar