Measuring the high redshift space density of FRI radio galaxies

Emma Rigby, Philip Best, Ignas Suellen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

One of the major outstanding questions in AGN studies is whether Fanaroff & Riley class I and II (FRI and FRII) radio galaxies are fundamentally discrete classes of object, or simply different manifestations of intrinsically similar objects. This work aims to provide the first direct measurement of the high redshift space density and subsequent cosmic evolution of FRI radio galaxies with the aim of investigating this question. First results, reported here, suggest moderate FRI density enhancements at redshifts of >1.0.

Original languageEnglish
Title of host publicationCOSMIC FRONTIERS
EditorsN Metcalfe, T Shanks
Place of PublicationSAN FRANCISCO
PublisherASTRONOMICAL SOC PACIFIC
Pages334-335
Number of pages2
ISBN (Print)978-1-58381-320-1
Publication statusPublished - 2007
EventConference on Cosmic Frontiers - Durham
Duration: 31 Jul 20064 Aug 2006

Conference

ConferenceConference on Cosmic Frontiers
CityDurham
Period31/07/064/08/06

Keywords

  • COSMOLOGICAL EVOLUTION
  • LUMINOSITY
  • PHOTOMETRY

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