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A mechanism for orbital period modulation and irregular orbital period variations in close binaries
Yuan JZ(袁金照)1,2; Qian SB(钱声帮)1; Yuan, JZ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Source PublicationASTROPHYSICAL JOURNAL
2007-11-10
Volume669Issue:2Pages:L93-L95
DOI10.1086/523798
Contribution Rank第1完成单位
Indexed BySCI
KeywordBinaries : Close Stars : Activity Stars : Magnetic Fields
AbstractOrbital period modulation is observed in many magnetically active close binaries. It can be explained by magnetic connection between two stars. Magnetic connection produces weak force between the two stars. As the magnetic field varies periodically, the orbital period also shows cyclical variations. The mechanism can also be used to explain irregular orbital period variations and orbital period jumps. The mean surface magnetic strength is calculated by using the Radia package, which is dedicated to 3D magnetostatics computation. On the basis of the results, a practical equation is given to calculate surface magnetic strength.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-637X
URL查看原文
Archive Date2008-06-13
WOS IDWOS:000250760600009
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordRT-CORONAE-BOREALIS ; ALGOL-TYPE BINARIES ; ECLIPSING BINARIES ; TY BOOTIS ; RW-TAURI ; CG-CYG ; PARAMETERS ; DRACONIS ; LIGHT ; HERCULIS
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Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5795
Collection双星与变星研究组
Corresponding AuthorYuan, JZ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Affiliation1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, P.O. Box 110, 650011 Kunming, China
2.Graduate School of the Chinese Academy of Sciences, Beijing, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yuan JZ,Qian SB,Yuan, JZ . A mechanism for orbital period modulation and irregular orbital period variations in close binaries[J]. ASTROPHYSICAL JOURNAL,2007,669(2):L93-L95.
APA Yuan JZ,Qian SB,&Yuan, JZ .(2007).A mechanism for orbital period modulation and irregular orbital period variations in close binaries.ASTROPHYSICAL JOURNAL,669(2),L93-L95.
MLA Yuan JZ,et al."A mechanism for orbital period modulation and irregular orbital period variations in close binaries".ASTROPHYSICAL JOURNAL 669.2(2007):L93-L95.
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