The mass of radio galaxies from low to high redshift

Jarvis, Matt J., Rawlings, Steve, Eales, Stephen Anthony ORCID: https://orcid.org/0000-0002-7394-426X, Blundell, Katherine M. and Willott, Chris J. 2003. The mass of radio galaxies from low to high redshift. The Mass of Radio Galaxies from Low to High Redshift , pp. 148-153. 10.1007/10899892_36

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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). In a spatially flat universe with a cosmological constant ( ΩM=0.3 and ΩΛ=0.7 ), the most luminous radio sources appear to be associated with galaxies with a luminosity distribution with a high mean ( ≈5L∗ ), and a low dispersion ( σ∼0.5 mag) which formed their stars at epochs corresponding to z≳2.5 ).

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Uncontrolled Keywords:	Astronomy; Astrophysics; Relativity; Cosmology; Elementary Particles; Nuclei
Publisher:	Springer
ISSN:	1431-2433
Last Modified:	24 Oct 2022 11:07
URI:	https://orca.cardiff.ac.uk/id/eprint/47007

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