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Photometric Study of Near Contact Binaries
Zhu LY(朱俐颖); Qian SB(钱声帮)
Source PublicationAstronomical Society of the Pacific (ASP) Conference Series - EIGHTH PACIFIC RIM CONFERENCE ON STELLAR ASTROPHYSICS: A TRIBUTE TO KAM-CHING LEUNG
Author of SourceSoonthornthum, B; Komonjinda, S; Cheng, KS; Leung, KC
Contribution Rank第1完成单位
Indexed ByCPCI
Conference Name8th Pacific Rim Conference on Stellar Astrophysics
Conference Date2008-05-05
Conference PlacePhuket, THAILAND
Conference SponsorNatl Astron Res Inst Thailand; Thailand Convent & Exhibit Bur; Int Astron Union

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.

Funding OrganizationN/A
Subject Area天文学 ; 天体物理学 ; 恒星与银河系
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeProceedings Paper
Publication Place390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
Archive Date2010-10-14
WOS IDWOS:000271628900036
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordAngular-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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Document Type会议论文
Corresponding AuthorZhu LY(朱俐颖)
AffiliationNational Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, 650011, Kunming, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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