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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.
发表期刊ASTROPHYSICS AND SPACE SCIENCE
2011-07
卷号334期号:1页码:131-137
DOI10.1007/s10509-011-0702-1
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: Individuals (V1128 Tau) Stars: Evolution
摘要We 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.
项目资助者Chinese Natural Science Foundation [10878012, 10973037, 10903026, 11003040] ; National Key Fundamental Research Project [2007CB815406] ; Chinese Academy of Sciences [O8ZKY11001]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-640X
URL查看原文
归档日期2011-06-20
WOS记录号WOS:000291389800013
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]SOLAR-TYPE STARS ; CLOSE BINARIES ; MULTIPLICITY ; COMPONENTS ; MODULATION ; DWARFS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5854
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, 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 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
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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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