OBSERVATION OF TRANSIENT HIGH-ENERGY EMISSION FEATURES IN THE SPECTRA OF BLACK-HOLE CANDIDATES AND THE CRAB-NEBULA BY GRANAT SIGMA

被引：26

作者：

GILFANOV, M

CHURAZOV, E

SUNYAEV, R

KHAVENSON, N

NOVIKOV, B

DYACHKOV, A

TSERENIN, I

SUKHANOV, K

BOUCHET, L

DENIS, M

SCHMITZFRAYSSE, MC

MANDROU, P

PAUL, J

CORDIER, B

GOLDWURM, A

LEBRUN, F

机构：

[1] CTR ETUD SPATIALE RAYONNEMENTS,F-31029 TOULOUSE,FRANCE

[2] CENS,SERV ASTROPHYS,F-91191 GIF SUR YVETTE,FRANCE

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 1994年 / 92卷 / 02期

关键词：

BLACK HOLE PHYSICS; GALAXY; CENTER; GAMMA-RAYS; OBSERVATIONS; ISM; INDIVIDUAL (CRAB NEBULA); X-RAYS; GENERAL;

D O I：

10.1086/191987

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Three years of Granat/SIGMA observations have demonstrated that appearance of transient emission spectral features, probably associated with annihilation of electron-positron pairs, is not a unique phenomenon for Galactic compact hard X-ray sources. During 1990-1992, such features have been detected in the spectra of two black hole candidates (1E 1740.7-2942 and Nova Muscae 1991) and the Crab Nebula.

引用

页码：411 / 418

页数：8

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