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The Surface Density of Quasars

Published online by Cambridge University Press:  07 February 2017

J.G. Bolton  and
Ann Savage
J.G. Bolton
Affiliation:
Division of Radiophysics, CSIRO, Sydney, Australia
Ann Savage
Affiliation:
Royal Greenwich Observatory, Hailsham, Sussex, U.K.

Extract

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A knowledge of the surface density of quasars as a function of magnitude is important for two reasons. Firstly it is necessary in order to assess the possible statistical significance of close pairs of quasars or the association between quasars and bright galaxies. Secondly it is a necessary step in the determination of the space density or luminosity function of QSOs. We have carried out what we believe to be currently the most comprehensive investigation into the surface density of quasars. Three techniques have been used in this investigation. These are

Type
IV. Observational Evidence for Cosmological Evolution
Information
Symposium - International Astronomical Union , Volume 79: The Large Scale Structure of the Universe , 1978 , pp. 295 - 303
Copyright
Copyright © Reidel 1978 

References

Bolton, J.G., Peterson, B.A., Wills, Beverley J. and Wills, D.: 1976, Astrophys. J. (Lett.) 210, p. L1.CrossRefGoogle Scholar
Bolton, J.G.: 1977, in Proc. IAU Symp. No. 74 (Ed. Jauncey, D.L.), Reidel, Dordrecht (in press).Google Scholar
Heckman, T.M.: 1977, Publ. Astron. Soc. Pac. 88, p. 844.CrossRefGoogle Scholar