YNAO OpenIR  > 双星与变星研究组
Preliminary Photometric Solutions of Two EA Type Binaries in omega Centauri
Li K(李凯)1,2,3; Qian SB(钱声帮)1,2,3; Leung, KC4
Source PublicationAstronomical Society of the Pacific (ASP) Conference Series - NINTH PACIFIC RIM CONFERENCE ON STELLAR ASTROPHYSICS
2012
Volume451
Pages63-66
Author of SourceQian, SB; Leung, KC; Zhu, L; Kwok, S
Contribution Rank第1完成单位
Indexed ByCPCI
Conference Name9th Pacific Rim Conference on Stellar Astrophysics
Conference Date2011-04-14
Conference PlaceLijiang, PEOPLES R CHINA
Abstract

We present the preliminary results of photometric solutions of two EA type binaries (V192 and V239) in the southern globular cluster omega Cen. This is the first time to obtain photometric solutions of the two binaries. From our preliminary analysis we get that both the two binaries have very low mass-ratio, 0.139 for V192 and 0.085 for V239. Because of the low mass-ratio their secondary components are both very special objects and they are possibly horizontal branch stars. But they need more observation.

Funding ProjectChinese Natural Science Foundation[11133007] ; Chinese Natural Science Foundation[10973037] ; Chinese Natural Science Foundation[11103077]
Funding OrganizationChinese Natural Science Foundation
Language英语
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
PublisherASTRONOMICAL SOC PACIFIC
Publication Place390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
ISBN978-1-58381-785-8
URL查看原文
Archive Date2012-08-06
WOS IDWOS:000304126300010
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordVariable-stars ; Catalog
Citation statistics
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5952
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 AuthorLi K(李凯)
Affiliation1.National Astronomical Observatories/Yunnan 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
3.Graduate School of the CAS, 100049, Beijing, P.R. China/Yuquan Road 19# , SijingShan Block, 100049, Beijing City, P. R. China
4.University of Nebraska, Lincoln
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li K,Qian SB,Leung, KC. Preliminary Photometric Solutions of Two EA Type Binaries in omega Centauri[C]//Qian, SB; Leung, KC; Zhu, L; Kwok, S. 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA:ASTRONOMICAL SOC PACIFIC,2012:63-66.
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