中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Searching for Substellar Objects around HW Vir-like Binaries

文献类型:会议论文

作者Zhu LY(朱俐颖)1,2,3; Qian SB(钱声帮)1,2,3; Zhao EG(赵二刚)1,2; Liao WP(廖文萍)1,2; Liu L(刘亮)1,2; He JJ(何家佳)1,2; Zola, S.4,5
出版日期2014-08
会议日期2013-05-27
会议地点Sejong University Convention Center, Seoul, Korea
卷号482
页码101-105
英文摘要

HW Vir-like eclipsing binaries are a group of detached binary systems that consists a very hot subdwarf B (sdB) type primary and a fully convective M-type secondary with short period. They display very narrow eclipse profiles, which give highly precise eclipse times. By analyzing the constructed observed-calculated (O-C) diagram based on the sdB eclipsing timings, We found very small-amplitude orbital period variations due to the presence of potential substellar object tertiaries (exoplanets and brown dwarfs) can be detected. The discovery of circumbinary substellar objects orbiting HW Vir-likeeclipsing binaries has very important implications for the formation of sdB stars and the fates of low-mass companion systems, etc. A search for the substellar objects around the HW Vir-like Binaries is one of the projects of our research group of Yunnan Observatories (YNO), which has been started from 2006. In this paper, we will present some new results on our three targets of this project, i.e. NSVS14256825, HS0705+6700 and NSVS07826147.

源文献作者Lee, HW; Leung, KC; Kang, YW
产权排序第1完成单位
资助机构Chinese Natural Science Foundation through a key project
会议录Astronomical Society of the Pacific (ASP) Conference Series - TENTH PACIFIC RIM CONFERENCE ON STELLAR ASTROPHYSICS
会议录出版者Astronomical Society of the Pacific
文献子类Proceedings Paper
学科主题天文学 ; 天体物理学 ; 恒星与银河系
会议录出版地390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
语种英语
URL标识查看原文
资助项目Chinese Natural Science Foundation through a key project[11133007]
WOS研究方向Astronomy & Astrophysics
ISBN号978-1-58381-849-7; 978-1-58381-848-0
WOS记录号WOS:000374279800018
WOS关键词Eclipsing Sdb Binary ; Circumbinary Planets ; Hs 0705+6700 ; Ny Vir ; Companions ; Virginis ; Quest
源URL[http://ir.ynao.ac.cn/handle/114a53/9646]  
专题云南天文台_双星与变星研究组
云南天文台_中国科学院天体结构与演化重点实验室
通讯作者Zhu LY(朱俐颖)
作者单位1.Yunnan Observatories, Chinese Academy of Science, P. O. Box 110, 650011 Kunming, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011 Kunming, China
3.Graduate University of the Chinese Academy of Sciences, Yuquan Road 19#, Sijingshang Block, 100049 Beijing City, China
4.Mt. Suhora Observatory of the Pedagogical University, ul. Podchor ¸a˙zych 2, 30-084 Cracow, Poland
5.Astronomical Observatory, Jagiellonian University, ul. Orla 171, 30-244, Krakow, Poland
推荐引用方式
GB/T 7714
Zhu LY,Qian SB,Zhao EG,et al. Searching for Substellar Objects around HW Vir-like Binaries[C]. 见:. Sejong University Convention Center, Seoul, Korea. 2013-05-27.

入库方式: OAI收割

来源:云南天文台

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