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
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
相关论文
共 47 条
[31]   THE SPATIAL CORRELATION-FUNCTION FROM AN X-RAY-SELECTED SAMPLE OF ABELL CLUSTERS [J].
NICHOL, RC ;
BRIEL, UG ;
HENRY, JP .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1994, 267 (03) :771-778
[32]   The X-ray luminosity function and gas mass function for optically selected poor and rich clusters of galaxies [J].
Burns, JO ;
Ledlow, MJ ;
Loken, C ;
Klypin, A ;
Voges, W ;
Bryan, GL ;
Norman, ML ;
White, RA .
ASTROPHYSICAL JOURNAL, 1996, 467 (02) :L49-+
[33]   The IRAS 1 Jy survey of ultraluminous infrared galaxies. I. The sample and luminosity function [J].
Kim, DC ;
Sanders, DB .
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1998, 119 (01) :41-58
[34]   Statistics of optical intraday variability in a complete sample of radio-selected BL Lacertae objects [J].
Heidt, J ;
Wagner, SJ .
ASTRONOMY & ASTROPHYSICS, 1996, 305 (01) :42-52
[35]   STRUCTURE-FUNCTION ANALYSIS OF HIGH RADIO-FREQUENCY VARIABILITY IN THE METSAHOVI MONITORING SAMPLE OF ACTIVE GALACTIC NUCLEI [J].
LAINELA, M ;
VALTAOJA, E .
ASTROPHYSICAL JOURNAL, 1993, 416 (02) :485-495
[36]   Measurements of Effective Optical Depth in the Lyα Forest from the BOSS DR12 Quasar Sample [J].
Kamble, Vikrant ;
Dawson, Kyle ;
des Bourboux, Helion du Mas ;
Bautista, Julian ;
Scheinder, Donald P. .
ASTROPHYSICAL JOURNAL, 2020, 892 (01)
[37]   A sample of GHz-peaked spectrum sources selected at RATAN-600: Spectral and variability properties [J].
Sokolovsky, K. V. ;
Kovalev, Y. Y. ;
Kovalev, Yu. A. ;
Nizhelskiy, N. A. ;
Zhekanis, G. V. .
ASTRONOMISCHE NACHRICHTEN, 2009, 330 (2-3) :199-202
[38]   ROSAT OBSERVATIONS OF BLAZARS FROM A POLARIZED RADIO-SELECTED SAMPLE [J].
MARASCHI, L ;
FOSSATI, G ;
TAGLIAFERRI, G ;
TREVES, A .
ASTROPHYSICAL JOURNAL, 1995, 443 (02) :578-585
[39]   DEEP OPTICAL IDENTIFICATIONS OF COMPACT RADIO-SOURCES SELECTED FROM THE GB/GB2 SAMPLE [J].
MACHALSKI, J ;
MAGDZIARZ, P .
ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 1993, 102 (02) :315-330
[40]   Variability in the inverse-Compton X-ray flux from the jet in quasar 3C 345 [J].
Unwin, SC ;
Wehrle, AE ;
Lobanov, AP ;
Zensus, JA ;
Aller, MF ;
Aller, HD .
ASTROPHYSICAL JOURNAL, 1997, 480 (02) :596-606