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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.
发表期刊ASTROPHYSICAL JOURNAL
2007-11-10
卷号669期号:2页码:L93-L95
DOI10.1086/523798
产权排序第1完成单位
收录类别SCI
关键词Binaries : Close Stars : Activity Stars : Magnetic Fields
摘要Orbital 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.
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2008-06-13
WOS记录号WOS:000250760600009
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]RT-CORONAE-BOREALIS ; ALGOL-TYPE BINARIES ; ECLIPSING BINARIES ; TY BOOTIS ; RW-TAURI ; CG-CYG ; PARAMETERS ; DRACONIS ; LIGHT ; HERCULIS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5795
专题双星与变星研究组
通讯作者Yuan, JZ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位1.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
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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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