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The first four-color photometric investigation of the W UMa type contact binary V868 Monocerotis
Zhou X(周肖)1,2,3; Qian SB(钱声帮)1,2,3; He JJ(何家佳)1,2; Zhang J(张嘉)1,2; Jiang LQ(江林巧)1,2,3; Zhou, X (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650216, Peoples R China.
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2015-10
卷号67期号:5
DOI10.1093/pasj/psv067
产权排序第1完成单位
收录类别SCI
关键词Binaries: Close Binaries: Eclipsing Stars: Individual (V868 Monocerotis)
摘要The first four-color light-curves of V868 Monocerotis in the B, V, R-c, and I-c bands are presented and analyzed by using the 2013 version of the Wilson-Devinney method. It is discovered that V868 Mon is an A-subtype contact binary (f = 58.9%), with a large temperature difference of 916 K between the two components. Using the eight new data of the times of light minimum determined by the authors together with those collected from literature, the authors found that the general trend of the observed-calculated (O - C) curve shows an upward parabolic variation that corresponds to a long-term increase in the orbital period at a rate of dP/dt = 9.38 x 10(-7) d yr(-1). The continuous increase may be caused by a mass transfer from the less massive component to the more massive one.
项目资助者Chinese Natural Science Foundation [11133007, 11325315] ; Strategic Priority Research Program "The Emergence of Cosmological Structure" of the Chinese Academy of Sciences [XDB09010202] ; Science Foundation of Yunnan Province [2012HC011]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6264
URL查看原文
归档日期2015-11-16
WOS记录号WOS:000362834000020
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]STAR LIGHT CURVES ; ECLIPSING BINARIES ; PARAMETERS ; VELOCITY
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被引频次:1[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/114a53/5912
专题双星与变星研究组
中国科学院天体结构与演化重点实验室
通讯作者Zhou, X (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650216, Peoples R China.
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, PO Box 110, 650216 Kunming, China
2.Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, PO Box 110, 650216 Kunming, China
3.Graduate University of the Chinese Academy of Sciences, Yuquan Road 19, Sijingshang Block, 100049 Beijing, China
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Zhou X,Qian SB,He JJ,et al. The first four-color photometric investigation of the W UMa type contact binary V868 Monocerotis[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2015,67(5).
APA Zhou X,Qian SB,He JJ,Zhang J,Jiang LQ,&Zhou, X .(2015).The first four-color photometric investigation of the W UMa type contact binary V868 Monocerotis.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,67(5).
MLA Zhou X,et al."The first four-color photometric investigation of the W UMa type contact binary V868 Monocerotis".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 67.5(2015).
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