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The Radio Galaxy K-z Relation to z~ 4.5

  • Matt J. Jarvis
  • Steve Rawlings
  • Steve Eales
  • Katherine M. Blundell
  • Chris J. Willott

Abstract

Using a new radio sample, 6C* designed to find radio galaxies at z > 4 along with the complete 3CRR and 6CE sample we extend the radio galaxy Kz relation to z ~ 4.5. The 6C* Kz data significantly improve delineation of the Kz relation for radio galaxies at high redshift (z > 2). Accounting for non-stellar contamination, and for correlations between radio luminosity and estimates of stellar mass, we find little support for previous claims that the underlying scatter in the stellar luminosity of radio galaxies increases significantly at z > 2. This indicates that we are not probing into the formation epoch until at least z ≳ 3.

Keywords

Spectral Index Radio Source Radio Galaxy High Redshift Stellar Population 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • Matt J. Jarvis
    • 1
    • 2
  • Steve Rawlings
    • 2
  • Steve Eales
    • 3
  • Katherine M. Blundell
    • 2
  • Chris J. Willott
    • 2
  1. 1.Sterrewacht LeidenThe Netherlands
  2. 2.University of OxfordUK
  3. 3.University of Wales College of CardiffUK

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