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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
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63-66
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

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.

资助项目Chinese Natural Science Foundation[11133007] ; Chinese Natural Science Foundation[10973037] ; Chinese Natural Science Foundation[11103077]
项目资助者Chinese Natural Science Foundation
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2012-08-06
WOS记录号WOS:000304126300010
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]Variable-stars ; Catalog
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文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5952
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Li K(李凯)
作者单位1.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
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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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