A RELATIVISTICALLY BEAMED X-RAY COMPONENT IN QUASARS

被引:13
作者
SHASTRI, P [1 ]
机构
[1] INDIAN INST SCI,DEPT PHYS,ASTRON PROGRAMME,BANGALORE 560012,KARNATAKA,INDIA
关键词
D O I
10.1093/mnras/249.4.640
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The X-ray spectral indices of radio-loud quasars show that the soft X-ray spectrum is flatter for core-dominated quasars than for lobe-dominated ones. Within the framework of the unified interpretation for radio quasars, this suggests that a component of the X-ray emission is relativistically beamed.
引用
收藏
页码:640 / 642
页数:3
相关论文
共 11 条
[1]   X-RAY-SPECTRA OF PG QUASARS .2. THE X-RAY-ULTRAVIOLET EXCESS OF PG 1211+143 [J].
BECHTOLD, J ;
CZERNY, B ;
ELVIS, M ;
FABBIANO, G ;
GREEN, RF .
ASTROPHYSICAL JOURNAL, 1987, 314 (02) :699-715
[2]   RELATIVISTIC JETS AS COMPACT RADIO-SOURCES [J].
BLANDFORD, RD ;
KONIGL, A .
ASTROPHYSICAL JOURNAL, 1979, 232 (01) :34-48
[3]   BEAMING AND THE X-RAY, OPTICAL AND RADIO PROPERTIES OF QUASARS [J].
BROWNE, IWA ;
MURPHY, DW .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1987, 226 (03) :601-627
[4]   THE X-RAY-SPECTRA OF HIGH-REDSHIFT QUASARS [J].
CANIZARES, CR ;
WHITE, JL .
ASTROPHYSICAL JOURNAL, 1989, 339 (01) :27-38
[5]   X-RAY-EMISSION ASSOCIATED WITH THE JET IN 3C-273 [J].
HARRIS, DE ;
STERN, CP .
ASTROPHYSICAL JOURNAL, 1987, 313 (01) :136-140
[6]  
Kapahi V. K., 1982, Journal of Astrophysics and Astronomy, V3, P465, DOI 10.1007/BF02714886
[7]  
KEMBHAVI A, 1989, ACTIVE GALACTIC NUCL, P209
[8]   RELATIVISTIC BEAMING AND QUASAR STATISTICS [J].
ORR, MJL ;
BROWNE, IWA .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1982, 200 (03) :1067-1080
[9]   RELATIVE ORIENTATION OF CORE POLARIZATION AT LAMBDA-6 CM AND THE OVERALL RADIO AXES OF QUASARS [J].
SAIKIA, DJ ;
SHASTRI, P .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1984, 211 (01) :47-56
[10]  
SHASTRI P, 1989, THESIS U BOMBAY