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Research on the Orbital Period of Massive Binaries
Zhao EG(赵二刚)1,2; Qian SB(钱声帮)1,2
会议录名称Astronomical Society of the Pacific (ASP) Conference Series - NINTH PACIFIC RIM CONFERENCE ON STELLAR ASTROPHYSICS
2012
卷号451
页码71-74
会议录编者/会议主办者Qian, SB; Leung, KC; Zhu, L; Kwok, S
产权排序第1完成单位
收录类别CPCI
会议名称9th Pacific Rim Conference on Stellar Astrophysics
会议日期2011-04-14
会议地点Lijiang, PEOPLES R CHINA
摘要

Massive binary is the kind of binary, whose spectral type is earlier than B5. Research on massive binary plays an important role in the mass and angular momentum transfer or loss between the components, and the evolution of binary. Some massive binaries are observed and analyzed, including O-type binary LY Aur, B-type contact binary RZ Pyx and B-type semi-detached binary AI Cru. It is found that all of their periods have a long-term increasing, which indicates that the system is undergoing a Case A slow mass transfer stage on the nuclear time-scale of the secondary. Moreover, analysis show a cyclic change of orbital period, which can be explained by the light-travel effect time of the third body.

语种英语
学科领域天文学 ; 天体物理学 ; 恒星与银河系
学科门类理学 ; 理学::天文学
文章类型Proceedings Paper
出版者ASTRONOMICAL SOC PACIFIC
出版地390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
ISBN号978-1-58381-785-8
URL查看原文
归档日期2013-10-21
WOS记录号WOS:000304126300012
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]Close Binaries ; Ly-aurigae ; Evolution ; Cephei ; Phase
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文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5954
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Zhao EG(赵二刚)
作者单位1.National Astronomical Observatories/Yunnan Astronomical Observatory, Chinese Academy of Sciences, P.O. Box 110 650011 Kunming, P. R. China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences,kunming 650011, P. R.China
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Zhao EG,Qian SB. Research on the Orbital Period of Massive Binaries[C]//Qian, SB; Leung, KC; Zhu, L; Kwok, S. 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA:ASTRONOMICAL SOC PACIFIC,2012:71-74.
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