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FIRST PHOTOMETRIC STUDY OF THE VERY SHORT PERIOD K-TYPE CONTACT BINARY 1SWASP J064501.21+342154.9
Liu NP(刘念平)1,2,3; Qian SB(钱声帮)1,2,3; Soonthornthum, B4; Leung, KC5; Liao WP(廖文萍)1,2; Zhu LY(朱俐颖)1,2,3; He JJ(何家佳)1,2; Liu L(刘亮)1,2; Zhao EG(赵二刚)1,2; Liu, NP (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊ASTRONOMICAL JOURNAL
2014-02
卷号147期号:2
DOI10.1088/0004-6256/147/2/41
产权排序第1完成单位
收录类别SCI
关键词Binaries: Close Binaries: Eclipsing Stars: Evolution Stars: Individual
摘要The first high precision CCD photometric light curves of 1SWASP J064501.21+342154.9 were obtained in 2013 February along with several new times of minimum light. The multi-color light curves were analyzed using the Wilson-Devinney code. Photometric solutions reveal that the system is a W-type shallow contact binary with a mass ratio of q = 2.110 +/- 0.007 and a degree of contact of f = 15.3% +/- 2.1%. A third light contributing about 2% of the total luminosity in the I band was found. It may come from a cool tertiary component. A small spot found on the surface of the binary indicates that the solar-like activities are at a low level at present.
项目资助者Chinese Natural Science Foundation [11133007, 11325315, 11203066]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6256
URL查看原文
归档日期2015-06-09
WOS记录号WOS:000329837100017
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]STAR LIGHT ; DATA RELEASE ; CURVES ; SUPERWASP
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被引频次:4[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/114a53/5907
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Liu, NP (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, P.O. Box 110, Kunming 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
3.Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
4.National Astronomical Research Institute of Thailand/Ministry of Science and Technology, Bangkok, Thailand
5.Department of Physics and Astronomy, University of Nebraska, 1400 R Street, Lincoln, NE 68588, USA
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GB/T 7714
Liu NP,Qian SB,Soonthornthum, B,et al. FIRST PHOTOMETRIC STUDY OF THE VERY SHORT PERIOD K-TYPE CONTACT BINARY 1SWASP J064501.21+342154.9[J]. ASTRONOMICAL JOURNAL,2014,147(2).
APA Liu NP.,Qian SB.,Soonthornthum, B.,Leung, KC.,Liao WP.,...&Liu, NP .(2014).FIRST PHOTOMETRIC STUDY OF THE VERY SHORT PERIOD K-TYPE CONTACT BINARY 1SWASP J064501.21+342154.9.ASTRONOMICAL JOURNAL,147(2).
MLA Liu NP,et al."FIRST PHOTOMETRIC STUDY OF THE VERY SHORT PERIOD K-TYPE CONTACT BINARY 1SWASP J064501.21+342154.9".ASTRONOMICAL JOURNAL 147.2(2014).
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