YNAO OpenIR  > 中国科学院天体结构与演化重点实验室
The first multi-color photometric study of the short-period contact eclipsing binary DE Lyn
Hashimoto, Amanda1; Zhang, Liyun2,3; Han, Xianming L.1,2; Lu, Hongpeng2,3; Wang, Daimei2,3
Source PublicationNEW ASTRONOMY
2016-05-01
Volume45Pages:77-83
DOI10.1016/j.newast.2015.10.008
Indexed BySCI
KeywordStars Binaries Eclipsing - Stars Period Variation - Stars Individual De Lyn
Abstract

We observed the contact eclipsing binary of DE Lyn using SARA 0.9 m telescope at Kitt Peak National Observatory on February 9, 11, and 27, 2015. In this study, we obtained the first full phase coverage BVRI CCD light curves, analyzed the orbital period variation, and extracted the orbital parameters. We calculated the linear and quadratic ephemeris, and thereby found that DE Lyn has a decreasing orbital period rate of -5.1 (+/- 0.4) x 10(-7) days/year. We assume this decreasing trend is the result of the more massive component (secondary) transferring mass to the less massive component (primary), and we obtained a mass transfer rate of dm/dt = 7.06 x 10(-7)M(circle dot)/year. By using the updated Wilson & Devinney program, we found the orbital parameters of DE Lyn, which, in turn, enabled us to calculate the low degree of contact factor as f = 9.02(+/- 0.01)%. In the future, its degree of contact will continue to increase and will evolve into an over-contact system. (C) 2015 Elsevier B.V. All rights reserved.

Funding ProjectSeitz Family ; Butler University ; Chinese Academy of Sciences (CAS)[11263001] ; Chinese Academy of Sciences (CAS)[11163002] ; Chinese Academy of Sciences (CAS)[11203070] ; Chinese Academy of Sciences (CAS)[10978010] ; Chinese Academy of Sciences (CAS)[U1431114] ; Joint Fund of Astronomy of the National Natural Science Foundation of China (NSFC) ; Natural Science Foundation of the GuiZhou Province office of Education[2014298]
Funding OrganizationSeitz Family ; Butler University ; Chinese Academy of Sciences (CAS)[11263001, 11163002, 11203070, 10978010, U1431114] ; Joint Fund of Astronomy of the National Natural Science Foundation of China (NSFC) ; Natural Science Foundation of the GuiZhou Province office of Education[2014298]
Language英语
Subject Area天文学 ; 天体物理学 ; 实测天体物理学 ; 恒星与银河系 ; 恒星天文学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherELSEVIER SCIENCE BV
Publication PlacePO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN1384-1076
URL查看原文
WOS IDWOS:000369200700011
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordCOLOR LIGHT CURVES ; STAR LIGHT ; VELOCITY ; SYSTEMS ; TAURI
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9324
Collection中国科学院天体结构与演化重点实验室
Corresponding AuthorZhang, Liyun
Affiliation1.Department of Physics and Astronomy, Butler University, Indianapolis, IN46208, USA
2.College of Science / Department of Physics & NAOC-GZU-Sponsored Center for Astronomy Research, Guizhou University, Guiyang 550025, PR China
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, PR China
Recommended Citation
GB/T 7714
Hashimoto, Amanda,Zhang, Liyun,Han, Xianming L.,et al. The first multi-color photometric study of the short-period contact eclipsing binary DE Lyn[J]. NEW ASTRONOMY,2016,45:77-83.
APA Hashimoto, Amanda,Zhang, Liyun,Han, Xianming L.,Lu, Hongpeng,&Wang, Daimei.(2016).The first multi-color photometric study of the short-period contact eclipsing binary DE Lyn.NEW ASTRONOMY,45,77-83.
MLA Hashimoto, Amanda,et al."The first multi-color photometric study of the short-period contact eclipsing binary DE Lyn".NEW ASTRONOMY 45(2016):77-83.
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