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W UMa-type systems in globular clusters
Li LF(李立芳); Zhang FH(张奉辉); Han ZW(韩占文)
会议录名称IAU Symposium Proceedings Series - STAR CLUSTERS: BASIC GALACTIC BUILDING BLOCKS THROUGHOUT TIME AND SPACE
2010
卷号5
期号266
页码451-453
DOI10.1017/S1743921309991670
会议录编者/会议主办者DeGrijs, R; Lepine, JRD
产权排序第1完成单位
收录类别CPCI
会议名称266th Symposium of the International-Astronomical-Union
会议日期2009-08-10
会议地点Rio de Janeiro, BRAZIL
会议赞助商IAU Div; IAU Commiss; Int Astronom Union
关键词Binaries: Eclipsing Globular Clusters: General
摘要

W UMa systems can be found everywhere in the Galaxy. They can be used as a distance tracer. Therefore, W UMa systems are very important to investigate the structure of the Galaxy. The distance to W UMa systems in globular clusters (GCs) is determined using a period color luminosity relation. It is found that the mean distance (r(a)) of W UMa systems is consistent with their host cluster distances (r(GC)) deduced from their intrinsic distance moduli if r(GC) <= 10 kpc. There is a significant difference between r(a) and r(GC) for r(GC) 10 >= kpc. We discuss the reasons causing this deviation.

资助项目Chinese Natural Science Foundation[10673029] ; Chinese Natural Science Foundation[10773026] ; Chinese Natural Science Foundation[10821061] ; Chinese Natural Science Foundation[10521001] ; Chinese Natural Science Foundation[2007CB815406] ; Yunnan Natural Science Foundation[2007A113M]
项目资助者Chinese Natural Science Foundation ; Yunnan 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CAMBRIDGE UNIV PRESS
出版地THE PITT BUILDING, TRUMPINGTON ST, CAMBRIDGE CB2 1RP, CAMBS, ENGLAND
ISBN号978-0-521-76499-5
ISSN号1743-9213
URL查看原文
归档日期2010-07-13
WOS记录号WOS:000282782600088
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]Variable-stars ; Metal-rich ; Binary Stars ; Wuma-type ; Photometry ; Ngc-3201 ; Ngc-6397 ; Field
引用统计
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/251
专题大样本恒星演化研究组
通讯作者Li LF(李立芳)
作者单位National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, P.O. Box 110, Kunming, Yunnan Province, 650011, P. R. China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
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Li LF,Zhang FH,Han ZW. W UMa-type systems in globular clusters[C]//DeGrijs, R; Lepine, JRD. THE PITT BUILDING, TRUMPINGTON ST, CAMBRIDGE CB2 1RP, CAMBS, ENGLAND:CAMBRIDGE UNIV PRESS,2010:451-453.
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