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EVIDENCE OF A MASSIVE BLACK HOLE COMPANION IN THE MASSIVE ECLIPSING BINARY V PUPPIS
Qian SB(钱声帮)1,2,3; Liao WP(廖文萍)1,2,3; Lajus, EF4; Qian, SB (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL
2008-11-01
卷号687期号:1页码:466-470
DOI10.1086/591515
产权排序第1完成单位
收录类别SCI
关键词Binaries: Close Binaries: Eclipsing Black Hole Physics Stars: Evolution Stars Individual (v Puppis)
摘要Up to now, most stellar-mass black holes have been discovered in X-ray-emitting binaries, in which the black holes are formed through a common-envelope evolution. Here we give evidence for the presence of a massive black hole candidate as a tertiary companion in the massive eclipsing binary V Puppis. We found that the orbital period of this short-period binary ( P 1: 45 days) shows a periodic variation while it undergoes a long-term increase. The cyclic period oscillation can be interpreted by the light-travel time effect via the presence of a third body with a mass of no less than 10.4 M-circle dot.. However, no spectral lines of the third body were discovered, which indicates that it is a massive black hole candidate. The black hole candidate may correspond to the weak X-ray source close to V Pup, discovered by the Uhuru, Copernicus, and ROSAT satellites, produced by accreting materials from the massive binary via a stellar wind. The circumstellar matter with many heavy elements around this binary may have been formed by the supernova explosion of the progenitor of the massive black hole. All of the observations suggest that a massive black hole is orbiting the massive close binary V Pup with a period of 5.47 yr. Meanwhile, we found that the central close binary is undergoing a slow mass transfer from the secondary to the primary star on a nuclear timescale of the secondary component, revealing that the system has passed through a rapid mass transfer stage.
项目资助者Yunnan Natural Science Foundation(2005A0059M) ; Chinese Natural Science Foundation(10573032, 10433030) ; National Key Fundamental Research(2007CB815406) ; La Plata Observatory
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
归档日期2008-11-12
WOS记录号WOS:000260370800036
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]HR 2875 ; STARS ; EVOLUTION ; PHOTOMETRY ; HD-167971 ; CATALOG ; SYSTEMS ; ORBITS ; GALAXY
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5808
专题双星与变星研究组
通讯作者Qian, SB (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences (CAS), P.O. Box 110, 650011 Kunming, China
2.United Laboratory of Optical Astronomy, CAS (ULOAC), 100012 Beijing, China
3.Graduate School of the CAS, 100012 Beijing, China
4.Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, 1900 La Plata, Buenos Aires, Argentina
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Qian SB,Liao WP,Lajus, EF,et al. EVIDENCE OF A MASSIVE BLACK HOLE COMPANION IN THE MASSIVE ECLIPSING BINARY V PUPPIS[J]. ASTROPHYSICAL JOURNAL,2008,687(1):466-470.
APA Qian SB,Liao WP,Lajus, EF,&Qian, SB .(2008).EVIDENCE OF A MASSIVE BLACK HOLE COMPANION IN THE MASSIVE ECLIPSING BINARY V PUPPIS.ASTROPHYSICAL JOURNAL,687(1),466-470.
MLA Qian SB,et al."EVIDENCE OF A MASSIVE BLACK HOLE COMPANION IN THE MASSIVE ECLIPSING BINARY V PUPPIS".ASTROPHYSICAL JOURNAL 687.1(2008):466-470.
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