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First R and I Lights and Their Photometric Analyses of GSC 02393-00680
Liu L(刘亮)1,2,3; Qian SB(钱声帮)1,2,3; He JJ(何家佳)1,2,3; Li LJ(李临甲)1,2,3; Liao WP(廖文萍)1,2,3; Liu, L (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2010
卷号62期号:1页码:81-89
DOI10.1093/pasj/62.1.81
产权排序第1完成单位
收录类别SCI
关键词Stars: Binaries : Close Stars: Binaries : Eclipsing Stars: Evolution Stars: Individuals (Gsc 02393-00680)
摘要We obtained complete R and I light curves of GSC 02393-00680 in 2008 and analyzed them with the 2003 version of the W-D code. It has been shown that GSC 02393-00680 is a W-type shallow contact binary system with a high mass ratio, q = 1.600, and a degree of contact factor, f = 5.0% (+/- 1.3%). It will be a good example to check up on the TRO theory. A period investigation based on all available data suggests that the system has a small-amplitude period oscillation (A(3) = 0.(d)0030; T(3) = 1.92 years). This may indicate that it has a moderate-mass close third body, which is similar to XY Leo.
项目资助者Yunnan Natural Science Foundation Foundation [2005A0059M] ; Chinese Natural Science Foundation [10573032, 10433030, 10573013] ; Ministry of Science and Technology of the Peoples Republic of China [2007CB815406] ; Chinese Academy of Sciences [O8ZKY11001]
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2011-02-23
WOS记录号WOS:000276721100009
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]THERMAL RELAXATION OSCILLATION ; ORBITAL PERIOD MODULATION ; URSAE MAJORIS SYSTEMS ; ANGULAR-MOMENTUM LOSS ; CLOSE BINARY-SYSTEMS ; CONTACT BINARIES ; OVERCONTACT BINARIES ; PHYSICAL PARAMETERS ; COMPONENTS ; EVOLUTION
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5845
专题双星与变星研究组
通讯作者Liu, L (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories / Yunnan Observatory, Chinese Academy of Sciences, P.O. Box 110, 650011 Kunming, P. R. China
2.United Laboratory of Optical Astronomy, Chinese Academy of Sciences (ULOAC), 100012 Beijing, P. R. China
3.Graduate School of the Chinese Academy of Sciences, 100012 Beijing, P. R. China
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Liu L,Qian SB,He JJ,et al. First R and I Lights and Their Photometric Analyses of GSC 02393-00680[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2010,62(1):81-89.
APA Liu L,Qian SB,He JJ,Li LJ,Liao WP,&Liu, L .(2010).First R and I Lights and Their Photometric Analyses of GSC 02393-00680.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,62(1),81-89.
MLA Liu L,et al."First R and I Lights and Their Photometric Analyses of GSC 02393-00680".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 62.1(2010):81-89.
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