NAOC Open IR  > 月球与深空探测研究部
Soft X-ray emission of nearby galaxy M81
Su, Y; Bi, HG; Li, QB
1997
发表期刊SCIENCE IN CHINA SERIES A-MATHEMATICS
卷号40期号:1页码:93-104
摘要The pointed observations of NGC3077 are analyzed by position sensitive proportional counter (PSPC) board the ROSAT satellite on 1991-04-18, 1991, finding out that the X-ray emission range of M81 galaxy has, in the softer and more sensitive ROSAT PSPC band (0.2-2.4 keV), extended by 40% larger than ever observed by image proportional counter (IPC) on board the Einstein satellite, which shows that M81 galaxy has a larger X-ray corona. And by the aid of the timing analysis, it is concluded that M81 nucleus has no variabilities on time scale of a few minutes; hence the possibility of M81 nucleus having the marginal variability over time scale of about 2 min that Fabbiano (1988) found from the Einstein IPC observation is ruled out.
关键词Spiral Galaxy Nearby Galaxy Soft X-ray Emission
收录类别SCI
语种英语
WOS记录号WOS:A1997WJ37000011
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8325
专题月球与深空探测研究部
作者单位1.UNIV ARIZONA, DEPT PHYS, TUCSON, AZ 85716 USA
2.CHINESE ACAD SCI, BEIJING ASTRON OBSERV, BEIJING 100080, PEOPLES R CHINA
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Su, Y,Bi, HG,Li, QB. Soft X-ray emission of nearby galaxy M81[J]. SCIENCE IN CHINA SERIES A-MATHEMATICS,1997,40(1):93-104.
APA Su, Y,Bi, HG,&Li, QB.(1997).Soft X-ray emission of nearby galaxy M81.SCIENCE IN CHINA SERIES A-MATHEMATICS,40(1),93-104.
MLA Su, Y,et al."Soft X-ray emission of nearby galaxy M81".SCIENCE IN CHINA SERIES A-MATHEMATICS 40.1(1997):93-104.
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