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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
Source PublicationCONTRIBUTIONS OF THE ASTRONOMICAL OBSERVATORY SKALNATE PLESO
2014-03
Volume43
Issue3
Pages290-293
Contribution Rank第1完成单位
Indexed BySCI ; CPCI
Conference NameWorkshop on Observing Techniques, Instrumentation and Science for Metre-Class Telescopes
Conference Date2013-09-23
Conference PlaceStara Lesna, SLOVAKIA
KeywordStars: Binaries : Close Stars: Binaries : Eclipsing Stars: Low-mass
Abstract

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.

Funding ProjectChinese Natural Science Foundation through a key project[11133007] ; Ministry of Education of the Czech Republic[LG12001] ; Ministry of Education of the Czech Republic[LH12175]
Funding OrganizationChinese Natural Science Foundation through a key project ; Ministry of Education of the Czech Republic
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
SubtypeArticle; Proceedings Paper
PublisherSLOVAK ACADEMY SCIENCES ASTRONOMICAL INST
Publication PlaceTATRANSKA LOMINICA, SK-059 60, SLOVAKIA
ISSN1335-1842
URL查看原文
Archive Date2014-07-03
WOS IDWOS:000338483100021
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordContact Binaries ; Stars
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5964
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 AuthorQian SB(钱声帮)
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
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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