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A study of the periods of the active binary AR Lac
Qian SB(钱声帮); Liu QY(刘清耀); Yang YL(杨毓兰); Qian, S
发表期刊CHINESE ASTRONOMY AND ASTROPHYSICS
1999-07
卷号23期号:3页码:317-323
DOI10.1016/S0275-1062(99)00062-4
产权排序第1完成单位
收录类别SCI
关键词Active Binary Magnetic Activity Third Body Angular Momentum Loss
摘要The O-C curve of the RS CVn-type binary system, AR Lac, has been analyzed using the method of Kalimeris et al. It is shown that the orbital period of the system is modulated with a long period of 47 years and an amplitude of 1.56 x 10(-5) d, while undergoing a constant decrease. Possible physical mechanisms for the variations are investigated. The observed variations may be caused by a combination of a magnetic activity cycle in the secondary component and an orbital angular momentum loss due to magnetic braking.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0275-1062
URL查看原文
WOS记录号WOS:000082410600010
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ORBITAL PERIOD ; SYSTEMS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5736
专题双星与变星研究组
通讯作者Qian, S
作者单位Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011 China
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GB/T 7714
Qian SB,Liu QY,Yang YL,et al. A study of the periods of the active binary AR Lac[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,1999,23(3):317-323.
APA Qian SB,Liu QY,Yang YL,&Qian, S.(1999).A study of the periods of the active binary AR Lac.CHINESE ASTRONOMY AND ASTROPHYSICS,23(3),317-323.
MLA Qian SB,et al."A study of the periods of the active binary AR Lac".CHINESE ASTRONOMY AND ASTROPHYSICS 23.3(1999):317-323.
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