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Two W-subtype contact binaries: GQ Boo and V1367 Tau
Zhang, Jia1,2; Qian, Sheng-Bang1,2; Han, Zhong-Tao1,2; Wu, Yue3
2017-04-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume466Issue:1Pages:1118-1126
AbstractTwo contact binaries, GQ Boo and V1367 Tau, were observed and analysed with a new method to obtain the absolute parameters. The light-curve analysis shows that both of them are obvious W-subtype contact binaries, with much more massive but apparently cooler components (M-2/M-1 similar or equal to 2 and 4, T-2/T-1 similar or equal to 0.95 and 0.94). The orbital periods were studied using the O-C diagrams, and it is thought that the minima timings were heavily affected by the long-standing magnetic activities on the star surface, so the minima timings cannot represent the real period changes. The mass-radius relationships were proposed by the light-curve analysis alone, which is equivalent to the mean density. The density and temperature can determine the other absolute parameters in most of the time. With the almost complete star parameter space provided by PARSEC, approximate masses and radii were obtained (0.52 +/- 0.08M(circle dot) and 1.01 +/- 0.15M(circle dot) for GQ Boo, and 0.22 +/- 0.01M(circle dot) and 0.92 +/- 0.06M(circle dot) for V1367 Tau). The mass-radius relationship is a neglected useful tool to calculate the mass and radius, especially for the detached binaries.
SubtypeArticle
KeywordTechniques: Photometric Binaries: Eclipsing Stars: Evolution
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationOpen Project Programme of Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences ; Open Project Programme of Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences ; National Development and Reform Commission ; National Development and Reform Commission ; West Light Foundation of The Chinese Academy of Sciences ; West Light Foundation of The Chinese Academy of Sciences ; Yunnan Natural Science Foundation(Y5XB071001) ; Yunnan Natural Science Foundation(Y5XB071001) ; Chinese Natural Science Foundation(11133007 ; Chinese Natural Science Foundation(11133007 ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Key Research Programme of the Chinese Academy of Sciences(KGZD-EW-603) ; Key Research Programme of the Chinese Academy of Sciences(KGZD-EW-603) ; Science Foundation of Yunnan Province(2012HC011) ; Science Foundation of Yunnan Province(2012HC011) ; Strategic Priority Research Programme 'The Emergence of Cosmological Structures' of the Chinese Academy of Sciences(XDB09010202) ; Strategic Priority Research Programme 'The Emergence of Cosmological Structures' of the Chinese Academy of Sciences(XDB09010202) ; 11325315 ; 11325315 ; U1631108 ; U1631108 ; 11403056) ; 11403056) ; Open Project Programme of Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences ; Open Project Programme of Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences ; National Development and Reform Commission ; National Development and Reform Commission ; West Light Foundation of The Chinese Academy of Sciences ; West Light Foundation of The Chinese Academy of Sciences ; Yunnan Natural Science Foundation(Y5XB071001) ; Yunnan Natural Science Foundation(Y5XB071001) ; Chinese Natural Science Foundation(11133007 ; Chinese Natural Science Foundation(11133007 ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Key Research Programme of the Chinese Academy of Sciences(KGZD-EW-603) ; Key Research Programme of the Chinese Academy of Sciences(KGZD-EW-603) ; Science Foundation of Yunnan Province(2012HC011) ; Science Foundation of Yunnan Province(2012HC011) ; Strategic Priority Research Programme 'The Emergence of Cosmological Structures' of the Chinese Academy of Sciences(XDB09010202) ; Strategic Priority Research Programme 'The Emergence of Cosmological Structures' of the Chinese Academy of Sciences(XDB09010202) ; 11325315 ; 11325315 ; U1631108 ; U1631108 ; 11403056) ; 11403056)
DOI10.1093/mnras/stw3153
WOS KeywordURSAE MAJORIS SYSTEMS ; STAR LIGHT CURVES ; ECLIPSING BINARIES ; RZ-COMAE ; VELOCITY CURVES ; AH-CANCRI ; AM LEONIS ; PARAMETERS ; PERIOD ; CALIBRATIONS
Indexed BySCI
Language英语
Funding OrganizationOpen Project Programme of Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences ; Open Project Programme of Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences ; National Development and Reform Commission ; National Development and Reform Commission ; West Light Foundation of The Chinese Academy of Sciences ; West Light Foundation of The Chinese Academy of Sciences ; Yunnan Natural Science Foundation(Y5XB071001) ; Yunnan Natural Science Foundation(Y5XB071001) ; Chinese Natural Science Foundation(11133007 ; Chinese Natural Science Foundation(11133007 ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Key Research Programme of the Chinese Academy of Sciences(KGZD-EW-603) ; Key Research Programme of the Chinese Academy of Sciences(KGZD-EW-603) ; Science Foundation of Yunnan Province(2012HC011) ; Science Foundation of Yunnan Province(2012HC011) ; Strategic Priority Research Programme 'The Emergence of Cosmological Structures' of the Chinese Academy of Sciences(XDB09010202) ; Strategic Priority Research Programme 'The Emergence of Cosmological Structures' of the Chinese Academy of Sciences(XDB09010202) ; 11325315 ; 11325315 ; U1631108 ; U1631108 ; 11403056) ; 11403056) ; Open Project Programme of Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences ; Open Project Programme of Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences ; National Development and Reform Commission ; National Development and Reform Commission ; West Light Foundation of The Chinese Academy of Sciences ; West Light Foundation of The Chinese Academy of Sciences ; Yunnan Natural Science Foundation(Y5XB071001) ; Yunnan Natural Science Foundation(Y5XB071001) ; Chinese Natural Science Foundation(11133007 ; Chinese Natural Science Foundation(11133007 ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Key Research Programme of the Chinese Academy of Sciences(KGZD-EW-603) ; Key Research Programme of the Chinese Academy of Sciences(KGZD-EW-603) ; Science Foundation of Yunnan Province(2012HC011) ; Science Foundation of Yunnan Province(2012HC011) ; Strategic Priority Research Programme 'The Emergence of Cosmological Structures' of the Chinese Academy of Sciences(XDB09010202) ; Strategic Priority Research Programme 'The Emergence of Cosmological Structures' of the Chinese Academy of Sciences(XDB09010202) ; 11325315 ; 11325315 ; U1631108 ; U1631108 ; 11403056) ; 11403056)
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000398112400077
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8228
Collection光学天文研究部
Affiliation1.Chinese Acad Sci, Yunnan Observ, Kunming 650216, Peoples R China
2.Chinese Acad Sci, Key Lab Struct & Evolut Celestial Objects, Kunming 650216, Peoples R China
3.Chinese Acad Sci, Key Lab Opt Astron, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Jia,Qian, Sheng-Bang,Han, Zhong-Tao,et al. Two W-subtype contact binaries: GQ Boo and V1367 Tau[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2017,466(1):1118-1126.
APA Zhang, Jia,Qian, Sheng-Bang,Han, Zhong-Tao,&Wu, Yue.(2017).Two W-subtype contact binaries: GQ Boo and V1367 Tau.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,466(1),1118-1126.
MLA Zhang, Jia,et al."Two W-subtype contact binaries: GQ Boo and V1367 Tau".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 466.1(2017):1118-1126.
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