PMO OpenIR  > 恒星结构、演化和脉动研究团组
PHOTOMETRIC STUDY OF THE PULSATING, ECLIPSING BINARY OO DRA
Zhang, X. B.1; Deng, L. C.1; Tian, J. F.1; Wang, K.1; Sun, J. J.2; Liu, Q. L.2; Xin, H. Q.2; Zhou, Q.2; Yan, Z. Z.1,3; Luo, Z. Q.3; Luo, C. Q.1
2014-12-01
Source PublicationASTRONOMICAL JOURNAL
ISSN0004-6256
Volume148Issue:6Pages:106
AbstractWe present a comprehensive photometric study of the pulsating, eclipsing binary OO Dra. Simultaneous B- and V-band photometry of the star was carried out on 14 nights. A revised orbital period and a new ephemeris were derived from the data. The first photometric solution of the binary system and the physical parameters of the component stars are determined. They reveal that OO Dra could be a detached system with a less-massive secondary component nearly filling its Roche lobe. By subtracting the eclipsing light changes from the data, we obtained the intrinsic pulsating light curves of the hotter, massive primary component. A frequency analysis of the residual light yields two confident pulsation modes in both B- and V-band data with the dominant frequency detected at 41.865 c/d. A brief discussion concerning the evolutionary status and the pulsation nature of the binary system is finally given.
KeywordBinaries: Eclipsing Stars: Individual (Oo Dra) Stars: Oscillations
Subject Area天文和天体物理
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-6256/148/6/106
WOS KeywordDELTA-SCT COMPONENTS ; LIGHT CURVES ; STAR LIGHT ; SYSTEM ; FREQUENCY ; EVOLUTION
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000345223200003
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/11572
Collection恒星结构、演化和脉动研究团组
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
3.China West Normal Univ, Dept Phys, Nanchong 637002, Peoples R China
Recommended Citation
GB/T 7714
Zhang, X. B.,Deng, L. C.,Tian, J. F.,et al. PHOTOMETRIC STUDY OF THE PULSATING, ECLIPSING BINARY OO DRA[J]. ASTRONOMICAL JOURNAL,2014,148(6):106.
APA Zhang, X. B..,Deng, L. C..,Tian, J. F..,Wang, K..,Sun, J. J..,...&Luo, C. Q..(2014).PHOTOMETRIC STUDY OF THE PULSATING, ECLIPSING BINARY OO DRA.ASTRONOMICAL JOURNAL,148(6),106.
MLA Zhang, X. B.,et al."PHOTOMETRIC STUDY OF THE PULSATING, ECLIPSING BINARY OO DRA".ASTRONOMICAL JOURNAL 148.6(2014):106.
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