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The Cosmic Evolution of Quasars at High Redshifts

Published online by Cambridge University Press:  19 July 2016

P. Véron
P. Véron*
Affiliation:
Observatoire de Haute-Provence, 04870 Saint Michel l'Observatoire, France

Abstract

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The analysis of all published slitless quasar surveys suggests that the space density of quasars increases quickly with redshift up to z ∼ 2.45, then drops abruptly by about a factor of five, increases again up to z ∼ 3.8 at least to drop once more below the present day limit of sensitivity.

Type
Chapter XI: Quasi-Stellar Objects: Distribution and General Properties
Information
Symposium - International Astronomical Union , Volume 124: Observational Cosmology , 1987 , pp. 639 - 641
Copyright
Copyright © Reidel 1987 

References

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