NAOC Open IR  > 光学天文研究部
Optical identifications of companion soft X-ray sources of Mrk 231
Wu, H; Deng, ZG; Xia, XY
2001-12-01
发表期刊CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
卷号1期号:6页码:501-506
摘要We present optical identification results for four ROSAT PSPC soft X-ray companions of Mrk 231 based on the deep BATC 6660 Angstrom-band image and the optical spectra obtained by the 60/90 cm Schmidt telescope and the 2.16 m telescope at the Xinglong Station, NAOC. Three optical counterparts are quasars with redshifts z > 1 and the remaining X-ray source is probably a background galaxy cluster. Therefore, none of these soft X-ray companions are physically connected with the central X-ray source Mrk 231. Incorporating the previous results of Arp 220 and Mrk 273 (Xia et al. 1998, 1999), we suggest that the apparent soft X-ray associations with ULIRGs are chance coincidence in most cases.
关键词Galaxies : Individual (Mrk 231) X-rays : Galaxies Quasars
收录类别SCI
语种英语
WOS记录号WOS:000173057800004
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8611
专题光学天文研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China
3.Tianjin Normal Univ, Dept Phys, Tianjin 300074, Peoples R China
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Wu, H,Deng, ZG,Xia, XY. Optical identifications of companion soft X-ray sources of Mrk 231[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2001,1(6):501-506.
APA Wu, H,Deng, ZG,&Xia, XY.(2001).Optical identifications of companion soft X-ray sources of Mrk 231.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,1(6),501-506.
MLA Wu, H,et al."Optical identifications of companion soft X-ray sources of Mrk 231".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 1.6(2001):501-506.
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