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Light-time Effect and Tertiary Companions in Close Binary Stars
Liao WP(廖文萍)1,2; Qian SB(钱声帮)1,2,3
Source PublicationAstronomical Society of the Pacific (ASP) Conference Series - NINTH PACIFIC RIM CONFERENCE ON STELLAR ASTROPHYSICS
2012
Volume451
Pages265-270
Author of SourceQian, SB; Leung, KC; Zhu, L; Kwok, S
Contribution Rank第1完成单位
Indexed ByCPCI
Conference Name9th Pacific Rim Conference on Stellar Astrophysics
Conference Date2011-04-14
Conference PlaceLijiang, PEOPLES R CHINA
Abstract

Cyclic changes in an (O - C) curve are a fairly common phenomenon in close binary stars, which suggest a common underlying mechanism. We have discussed the cause of this phenomenon, it is indicated that the light-time effect (LTTE) caused by the third body is the most probable physical explanation of the cyclic changes in an (O - C) curve in close binaries. Including some new times of light minimum obtained by us, here we give sonic examples of search for different types of tertiary companions in close binary stars by using LTTE.

Funding ProjectWest Light Foundation of the Chinese Academy of Sciences and the Chinese Natural Science Foundation[11133007]
Funding OrganizationWest Light Foundation of the Chinese Academy of Sciences and the Chinese Natural Science Foundation
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
SubtypeProceedings Paper
PublisherASTRONOMICAL SOC PACIFIC
Publication Place390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
ISBN978-1-58381-785-8
URL查看原文
Archive Date2012-10-18
WOS IDWOS:000304126300044
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordOrbital Period Modulation ; Unsolved Quadruple System ; Algol Binaries ; Rs Cvn ; Eclipsing Binaries ; Magnetic Cycles ; Leo
Citation statistics
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5961
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 AuthorLiao WP(廖文萍)
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liao WP,Qian SB. Light-time Effect and Tertiary Companions in Close Binary Stars[C]//Qian, SB; Leung, KC; Zhu, L; Kwok, S. 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA:ASTRONOMICAL SOC PACIFIC,2012:265-270.
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