New results from complete samples of faint radio galaxies and quasars

Blundell, K. M., Rawlings, S., Eales, Stephen Anthony ORCID: https://orcid.org/0000-0002-7394-426X and Lacy, M. 1996. New results from complete samples of faint radio galaxies and quasars. Presented at: 175th Symposium of the International Astronomical Union, Bologna, Italy, 10-14 October 1995. Published in: Ekers, R., Fanti, C. and Padrielli, L. eds. Extragalactic radio sources : proceedings of the 175th Symposium of the International Astronomical Union, held in Bologna, Italy, 10-14 October 1995. Symposium ; International Astronomical Union (175) Dordrecht: Springer Netherlands, pp. 567-568. 10.1007/978-94-009-0295-4_203

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Abstract

In any flux-limited sample a tight correlation of luminosity(P) and redshift (z) is inevitable. It is therefore necessary to obtain complete samples at lower and lower flux-limits in order to have adequate coverage of the P-z plane, essential if we are to decouple the trends in epoch from trends in luminosity. This we have done for a number of flux-limits — giving coverage of the P-z plane seen in Fig. 1. Our redshift information is spectroscopic; the results of Eales et al (in prep.), namely the increased scatter in the K-z plot for samples lower in luminosity than 3C, strongly warn us against using redshifts estimated from K-magnitudes.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	Springer Netherlands
ISBN:	9780792341222
Related URLs:	Publisher http://adsabs.harvard.edu/abs/1996IAUS.....
Last Modified:	24 Oct 2022 11:36
URI:	https://orca.cardiff.ac.uk/id/eprint/48712

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