THE QUASAR LUMINOSITY FUNCTION FROM A VARIABILITY-SELECTED SAMPLE

被引：58

作者：

HAWKINS, MRS ^{[1
]}

VERON, P ^{[1
]}

机构：

[1] OBSERV HAUTE PROVENCE,CNRS,F-04870 ST MICHEL,FRANCE

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1993年 / 260卷 / 01期

关键词：

QUASARS; -; GENERAL; COSMOLOGY; OBSERVATIONS;

D O I：

10.1093/mnras/260.1.202

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A sample of quasars is selected from a 10-yr sequence of 30 UK Schmidt plates. Luminosity functions are derived in several redshift intervals, which in each case show a featureless power-law rise towards low luminosities. There is no sign of the 'break' found in the recent UVX sample of Boyle, Shanks & Peterson. It is suggested that reasons for the disagreement are connected with biases in the selection of the UVX sample. The question of the nature of quasar evolution appears to be still unresolved.

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页码：202 / 208

页数：7

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