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Binary systems at and beyond the short-period limit of WUMa systems
Qian SB(钱声帮)1,2,3; Jiang LQ(江林巧)1,2,3; Zhu LY(朱俐颖)1,2,3; Zejda, M4; Mikulasek, Z4,5; Lajus, EF6,7; Liu NP(刘念平)1,2,3
会议录名称CONTRIBUTIONS OF THE ASTRONOMICAL OBSERVATORY SKALNATE PLESO
2014-03
卷号43
期号3
页码290-293
产权排序第1完成单位
收录类别SCI ; CPCI
会议名称Workshop on Observing Techniques, Instrumentation and Science for Metre-Class Telescopes
会议日期2013-09-23
会议地点Stara Lesna, SLOVAKIA
关键词Stars: Binaries : Close Stars: Binaries : Eclipsing Stars: Low-mass
摘要

The short-period limit of W UMa-type contact binaries of about 0.22 days is very sharp and well defined. Observations and investigations of close binaries beyond this limit can provide important information on the origin and evolutionary processes of contact binaries, as well as on the formation and migration history of low-mass stars. In the past several years, we have monitored some close binaries below the short-period limit by using several small telescopes and 2m-class telescopes. Photometric solutions and period changes of these binary stars were analyzed and investigated. Some new contact binaries below the limit were detected. Our results reveal that the rarity of contact binaries below the short-period limit could not be explained by rapid dynamical destruction.

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Article; Proceedings Paper
出版者SLOVAK ACADEMY SCIENCES ASTRONOMICAL INST
出版地TATRANSKA LOMINICA, SK-059 60, SLOVAKIA
ISSN号1335-1842
URL查看原文
归档日期2014-07-03
WOS记录号WOS:000338483100021
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]Contact Binaries ; Stars
引用统计
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5964
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Qian SB(钱声帮)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences (CAS), P. O. Box 110, 650011 Kunming, P. R. China
2.Key laboratory of the structure and evolution of celestial objects, Chinese Academy of Sciences, P. O. Box 110, 650011 Kunming, P. R. China
3.University of the Chinese Academy of Sciences, Yuquan Road 19#, Sijingshang Block, 100049 Beijing, P. R. China
4.Department of Theoretical Physics and Astrophysics, Masaryk University, Kotl´aˇrsk´a 2, CZ-611 37 Brno, Czech Republic
5.Observatory and Planetarium of J. Palisa, VˇSB-Technical University, Ostrava, Czech Republic
6.Facultad de Ciencias Astron´omicas y Geof´ısicas, Universidad Nacional de La Plata, 1900 La Plata, Buenos Aires, Argentina
7.Instituto de Astrofisica de La Plata (CCT La plata - CONICET/UNLP), Argentina
推荐引用方式
GB/T 7714
Qian SB,Jiang LQ,Zhu LY,et al. Binary systems at and beyond the short-period limit of WUMa systems[C]. TATRANSKA LOMINICA, SK-059 60, SLOVAKIA:SLOVAK ACADEMY SCIENCES ASTRONOMICAL INST,2014:290-293.
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