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Photometric Study of Near Contact Binaries
Zhu LY(朱俐颖); Qian SB(钱声帮)
会议录名称Astronomical Society of the Pacific (ASP) Conference Series - EIGHTH PACIFIC RIM CONFERENCE ON STELLAR ASTROPHYSICS: A TRIBUTE TO KAM-CHING LEUNG
2009
卷号404
页码189-193
会议录编者/会议主办者Soonthornthum, B; Komonjinda, S; Cheng, KS; Leung, KC
产权排序第1完成单位
收录类别CPCI
会议名称8th Pacific Rim Conference on Stellar Astrophysics
会议日期2008-05-05
会议地点Phuket, THAILAND
会议赞助商Natl Astron Res Inst Thailand; Thailand Convent & Exhibit Bur; Int Astron Union
摘要

Near Contact Binary (NCB) is a kind of close binary in which both components fill or nearly fill their critical Roche Lobes. They are not in contact like W UMa systems, and show EB-type light variations. These characters make the NCB an interesting object. They are important observational targets which may be lying in key evolutionary states. According to the geometric definition of this subclass, NCBs actually comprise semi-detached with primary filling (SDI) or secondary filling (SD2), marginal-contact (C), and marginal-detached (D) systems. We have observed a group of NCBs (e.g. BL and, GW Tau, AS Ser, UU Lyn, RU UMi, GSC3658-0076 etc.) and constructed an evolutionary sequence of case A mass transfer in observation. Finally, the available orbital period variations and absolute parameters of NCBs are collected and the preliminary statistical results are presented.

项目资助者N/A
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978-1-58381-685-1
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归档日期2010-10-14
WOS记录号WOS:000271628900036
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]Angular-momentum Loss ; Algol-type Binaries ; Ursae Majoris Systems ; Possible Mass ; Coronae Borealis ; Period Variation ; Orbital Period ; Ubv Photometry ; Hl-aurigae ; Aw Uma
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文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5947
专题双星与变星研究组
通讯作者Zhu LY(朱俐颖)
作者单位National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, 650011, Kunming, China
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Zhu LY,Qian SB. Photometric Study of Near Contact Binaries[C]//Soonthornthum, B; Komonjinda, S; Cheng, KS; Leung, KC. 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA:ASTRONOMICAL SOC PACIFIC,2009:189-193.
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