The Radio Galaxy K-z Relation to z~ 4.5

Jarvis, Matt J., Rawlings, Steve, Eales, Stephen Anthony ORCID: https://orcid.org/0000-0002-7394-426X, Blundell, Katherine M. and Willott, Chris J. 2001. The Radio Galaxy K-z Relation to z~ 4.5. Presented at: QSO Hosts and Their Environments, Granada, Spain, 10-12 January 2001. Published in: Márquez, Isabel, Masegosa, Josefa, del Olmo, Ascensión, Lara, Lucas, García, Emilio and Molina, Josefina eds. QSO Hosts and Their Environments. London, UK: Springer, pp. 333-338. 10.1007/978-1-4615-0695-9_55

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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 K — z relation to z ~ 4.5. The 6C* K — z data significantly improve delineation of the K — z 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.

Item Type:	Conference or Workshop Item (Other)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	Springer
ISBN:	9781461351993
Related URLs:	Publisher Publisher
Last Modified:	24 Oct 2022 11:32
URI:	https://orca.cardiff.ac.uk/id/eprint/48492

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