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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
Source PublicationASTRONOMICAL JOURNAL
2014-02
Volume147Issue:2
DOI10.1088/0004-6256/147/2/41
Contribution Rank第1完成单位
Indexed BySCI
KeywordBinaries: Close Binaries: Eclipsing Stars: Evolution Stars: Individual
Abstract

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.

Funding ProjectChinese Natural Science Foundation[11133007] ; Chinese Natural Science Foundation[11325315] ; Chinese Natural Science Foundation[11203066]
Funding OrganizationChinese Natural Science Foundation[11133007, 11325315, 11203066]
Language英语
Subject Area天文学 ; 恒星与银河系 ; 恒星天文学 ; 恒星形成与演化
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherIOP PUBLISHING LTD
Publication PlaceTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-6256
URL查看原文
Archive Date2015-06-09
WOS IDWOS:000329837100017
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordSTAR LIGHT ; DATA RELEASE ; CURVES ; SUPERWASP
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5907
Collection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
Corresponding AuthorLiu NP(刘念平)
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
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.,...&Zhao EG.(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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