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AU Serpentis and FG Hydrae: two contact binaries with sudden variations in their orbital periods
Qian SB(钱声帮); Liu QY(刘清耀); Yang YL(杨毓兰); Qian, SB
发表期刊ASTRONOMY & ASTROPHYSICS
1999-01
卷号341期号:3页码:799-802
产权排序第1完成单位
收录类别SCI
关键词Stars : Binaries : Close Stars : Individual : Au Ser Stars : Individual : Fg Hya
摘要Many available published times of light minima of the two contact binaries AU Ser and FG Hya are collected and the changes in their orbital periods are analyzed. It is indicated that the orbital period of AU Ser shows a sudden decrease in the time interval of 1987-1988 and several period jumps are found in FG Hya. The connections between the period jumps and the variable O'Connell effects (asymmetries in the light curves) of the two contact binaries are also discussed.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6361
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WOS记录号WOS:000078266100023
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5735
专题双星与变星研究组
通讯作者Qian, SB
作者单位Yunnan Observatory, Chinese Academy of Sciences, Kunming, P.R. China
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GB/T 7714
Qian SB,Liu QY,Yang YL,et al. AU Serpentis and FG Hydrae: two contact binaries with sudden variations in their orbital periods[J]. ASTRONOMY & ASTROPHYSICS,1999,341(3):799-802.
APA Qian SB,Liu QY,Yang YL,&Qian, SB.(1999).AU Serpentis and FG Hydrae: two contact binaries with sudden variations in their orbital periods.ASTRONOMY & ASTROPHYSICS,341(3),799-802.
MLA Qian SB,et al."AU Serpentis and FG Hydrae: two contact binaries with sudden variations in their orbital periods".ASTRONOMY & ASTROPHYSICS 341.3(1999):799-802.
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