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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
Source PublicationPUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2015-08
Volume67Issue:4
DOI10.1093/pasj/psv038
Contribution Rank第1完成单位
Indexed BySCI
KeywordBinaries: Close Binaries: Eclipsing Stars: Evolution Stars: Individual (V1222 Tauri)
Abstract

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).

Funding ProjectChinese Natural Science Foundation[11103074] ; Chinese Natural Science Foundation[11133007] ; Chinese Natural Science Foundation[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
Funding OrganizationChinese 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
Language英语
Subject Area天文学 ; 恒星与银河系 ; 恒星形成与演化
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherOXFORD UNIV PRESS,
Publication PlaceGREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0004-6264
URL查看原文
Archive Date2015-11-23
WOS IDWOS:000359649800018
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS KeywordVELOCITY CURVES ; STAR LIGHT ; DEEP ; BOOTIS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5915
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 L(刘亮)
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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,&Zhao EG.(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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