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Orbital period studies of RS CVn-type binaries III. BH Virginis
Qian SB(钱声帮)1,2,3; Liu QY(刘清耀)1,2,3; Tan, WL4; Qian, SB
Source PublicationASTROPHYSICS AND SPACE SCIENCE
2000
Volume274Issue:4Pages:859-866
DOI10.1023/A:1026512806446
Contribution Rank第1完成单位
Indexed BySCI
AbstractThe changes in the orbital period of the short-period RS CVn-type binary BH Vir are studied based on the analysis of the O-C curve formed by all photoelectric times of light minimum. It was discovered that the orbital period of BH Vir may show a periodic variation with a period of 9.12 years. A weak evidence also indicating a small amplitude oscillation with a period of 52.7 years in the change of the orbital period. Two possible mechanisms (light times effects due to two hypothetical additional bodies and magnetic activity cycle) that could explained the period behavior are studied. The periodic changes in the orbital period can be explained as due either to magnetic activity cycles in the two components or to the light-times effects of the additional bodies.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-640X
URL查看原文
Archive Date2000-12-31
WOS IDWOS:000165811300014
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5738
Collection双星与变星研究组
Corresponding AuthorQian, SB
Affiliation1.Yunnan Observatory, Chinese Academy of Sciences, P.O. Box 110, 650011, Kunming, P.R. China
2.National Astronomical Observatories, Chinese Academy of Sciences (NAOCAS), P.R. China
3.United Laboratory of Optical Astronomy, Chinese Academy of Sciences (ULOAC), P.R. China
4.Physics Department, Gui Zhou Normal University, Gui Zhou Province, 550001, Gui Yang, P.R. China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Qian SB,Liu QY,Tan, WL,et al. Orbital period studies of RS CVn-type binaries III. BH Virginis[J]. ASTROPHYSICS AND SPACE SCIENCE,2000,274(4):859-866.
APA Qian SB,Liu QY,Tan, WL,&Qian, SB.(2000).Orbital period studies of RS CVn-type binaries III. BH Virginis.ASTROPHYSICS AND SPACE SCIENCE,274(4),859-866.
MLA Qian SB,et al."Orbital period studies of RS CVn-type binaries III. BH Virginis".ASTROPHYSICS AND SPACE SCIENCE 274.4(2000):859-866.
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