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.
引用
收藏
页码：202 / 208
页数：7
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