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Discovery of a cyclic period change in the contact binary system V1128 Tau
Liu L(刘亮)1,2,3,4; Qian SB(钱声帮)1,2,3,4; Liao WP(廖文萍)1,2,3,4; He JJ(何家佳)1,2,3,4; Zhu LY(朱俐颖)1,2,3,4; Li LJ(李临甲)1,2,3,4; Zhao EG(赵二刚)1,2,3,4; Liu, L (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
Source PublicationASTROPHYSICS AND SPACE SCIENCE
2011-07
Volume334Issue:1Pages:131-137
DOI10.1007/s10509-011-0702-1
Contribution Rank第1完成单位
Indexed BySCI
KeywordStars: Binaries: Close Stars: Binaries: Eclipsing Stars: Individuals (V1128 Tau) Stars: Evolution
AbstractWe obtained several epochs of light minima and a complete R light curve of the W-type contact binary V1128 Tau in 2009. Two cool spots on the massive component are used to model the photometric light curve. Using all available data we find evidence for a long-term period variation with an amplitude of 0.0050 +/- 0.0012 days and a period of 16.7 +/- 0.9 years. Using parameters derived from a photometric model of the 2009 light curve we show that this period change could be explained by the Applegate mechanism on one of the components.
Funding OrganizationChinese Natural Science Foundation [10878012, 10973037, 10903026, 11003040] ; National Key Fundamental Research Project [2007CB815406] ; Chinese Academy of Sciences [O8ZKY11001]
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-640X
URL查看原文
Archive Date2011-06-20
WOS IDWOS:000291389800013
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordSOLAR-TYPE STARS ; CLOSE BINARIES ; MULTIPLICITY ; COMPONENTS ; MODULATION ; DWARFS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5854
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 (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
Affiliation1.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 CAS, Beijing, P.R. China
4.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011, Kunming, P.R. China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu L,Qian SB,Liao WP,et al. Discovery of a cyclic period change in the contact binary system V1128 Tau[J]. ASTROPHYSICS AND SPACE SCIENCE,2011,334(1):131-137.
APA Liu L.,Qian SB.,Liao WP.,He JJ.,Zhu LY.,...&Liu, L .(2011).Discovery of a cyclic period change in the contact binary system V1128 Tau.ASTROPHYSICS AND SPACE SCIENCE,334(1),131-137.
MLA Liu L,et al."Discovery of a cyclic period change in the contact binary system V1128 Tau".ASTROPHYSICS AND SPACE SCIENCE 334.1(2011):131-137.
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