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An ignored high fill-out, extreme mass ratio contact binary V1222 Tauri
Liu L(刘亮)1,2,3; Qian SB(钱声帮)1,2,3; Soonthornthum, B4; Zhu LY(朱俐颖)1,2,3; He JJ(何家佳)1,2,3; Zhao EG(赵二刚)1,2; Liu, L (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2015-08
卷号67期号:4
DOI10.1093/pasj/psv038
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 (V1222 Tauri)
摘要Two color light curves of V1222 Tau were analyzed by using the latest version of the W-D code. The results show that V1222 Tau is an extreme mass ratio (q = 8.884 +/- 0.149), high fill-out (f = 53.2% +/- 1.9%) contact binary system. The period of V1222 Tau might have a parabolic variation according to a preliminary (O-C) analysis, with a possibly large long-term increase rate, dP/dt = +8.19x10(-6) dyr(-1).
项目资助者Chinese Natural Science Foundation [11103074, 11133007, 11325315] ; Science Foundation of Yunnan Province [2012HC011] ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences [XDB09010202] ; West Light Foundation of the Chinese Academy of Sciences
语种英语
学科领域Astronomy & Astrophysics ; Physics
文章类型Article
ISSN0004-6264
URL查看原文
归档日期2015-11-23
WOS记录号WOS:000359649800018
WOS研究方向Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
关键词[WOS]VELOCITY CURVES ; STAR LIGHT ; DEEP ; BOOTIS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5915
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, L (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 (CAS), P.O. Box 110, 650011 Kunming, P.R. China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011 Kunming, P.R. China
3.University of the Chinese Academy of Sciences, Yuquan Road 19#, Sijingshang Block, 100049 Beijing, P.R. China
4.National Astronomical Research Institute of Thailand, 191 Siriphanich Bidg. 2nd Fl. Huay Kaew Rd. Suthep District, Muang, Chiang Mai 50200, Thailand
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Liu L,Qian SB,Soonthornthum, B,et al. An ignored high fill-out, extreme mass ratio contact binary V1222 Tauri[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2015,67(4).
APA Liu L.,Qian SB.,Soonthornthum, B.,Zhu LY.,He JJ.,...&Liu, L .(2015).An ignored high fill-out, extreme mass ratio contact binary V1222 Tauri.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,67(4).
MLA Liu L,et al."An ignored high fill-out, extreme mass ratio contact binary V1222 Tauri".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 67.4(2015).
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