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Photometric Solutions of Three Eclipsing Binary Stars Observed from Dome A, Antarctica
Liu, N.1; Fu, J. N.1; Zong, W.1; Wang, L. Z.2,3; Uddin, S. A.4; Zhang, X. B.5; Zhang, Y. P.1; Cang, T. Q.1; Li, G.1; Yang, Y.1; Yang, G. C.6; Mould, J.7; Morrell, N.8
2018-04-01
Source PublicationASTRONOMICAL JOURNAL
ISSN0004-6256
Volume155Issue:4Pages:9
Corresponding AuthorFu, J. N.(jnfu@bnu.edu.cn)
AbstractBased on spectroscopic observations for the eclipsing binaries CSTAR 036162 and CSTAR 055495 with the WiFeS/2.3 m telescope at SSO and CSTAR 057775 with the Mage/Magellan I at LCO in 2017, stellar parameters are derived. More than 100 nights of almost-continuous light curves reduced from the time-series photometric observations by CSTAR at Dome A of Antarctic in i in 2008 and in g and r in 2009, respectively, are applied to find photometric solutions for the three binaries with the Wilson-Devinney code. The results show that CSTAR 036162 is a detached configuration with the mass ratio q = 0.354 +/- 0.0009, while CSTAR 055495 is a semi-detached binary system with the unusual q = 0.946 +/- 0.0006, which indicates that CSTAR 055495 may be a rare binary system with mass ratio close to one and the secondary component filling its Roche Lobe. This implies that a mass-ratio reversal has just occurred and CSTAR 055495 is in a rapid mass-transfer stage. Finally, CSTAR 057775 is believed to be an A-type W UMa binary with q = 0.301 +/- 0.0008 and a fill-out factor of f = 0.742(8).
Keywordbinaries: eclipsing stars: individual (CSTAR 036162, CSTAR 055495, CSTAR 057775)
DOI10.3847/1538-3881/aab266
WOS KeywordFIELD SPECTROGRAPH WIFES ; LIMB-DARKENING COEFFICIENTS ; SKY AUTOMATED SURVEY ; CONTACT BINARIES ; DATA REDUCTION ; SOUTHERN-HEMISPHERE ; VARIABLE-STARS ; SURVEY 2MASS ; CATALOG ; EVOLUTION
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000428384200002
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22398
Collection中国科学院紫金山天文台
Corresponding AuthorFu, J. N.
Affiliation1.Beijing Normal Univ, Dept Astron, 19 Xinjiekouwai St, Beijing 100875, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
3.Chinese Acad Sci, South Amer Ctr Astron, Camino EE Observ 1515, Santiago, Chile
4.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
5.Chinese Acad Sci, Natl Astron Observ, 20A Datun Rd, Beijing 100012, Peoples R China
6.Hebei Univ Sci & Technol, Sch Sci, Shijiazhuang 050018, Hebei, Peoples R China
7.Swinburne Univ Technol, Ctr Astrophys & Supercomp, Hawthorn, Vic 3122, Australia
8.Carnegie Observ, Las Campanas Observ, Casilla 601, La Serena, Chile
Recommended Citation
GB/T 7714
Liu, N.,Fu, J. N.,Zong, W.,et al. Photometric Solutions of Three Eclipsing Binary Stars Observed from Dome A, Antarctica[J]. ASTRONOMICAL JOURNAL,2018,155(4):9.
APA Liu, N..,Fu, J. N..,Zong, W..,Wang, L. Z..,Uddin, S. A..,...&Morrell, N..(2018).Photometric Solutions of Three Eclipsing Binary Stars Observed from Dome A, Antarctica.ASTRONOMICAL JOURNAL,155(4),9.
MLA Liu, N.,et al."Photometric Solutions of Three Eclipsing Binary Stars Observed from Dome A, Antarctica".ASTRONOMICAL JOURNAL 155.4(2018):9.
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