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题名: PHOTOMETRIC STUDY OF THE PULSATING, ECLIPSING BINARY OO DRA
作者: 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
刊名: ASTRONOMICAL JOURNAL
出版日期: 2014-12-01
卷号: 148, 期号:6, 页码:106
关键词: binaries: eclipsing ; stars: individual (OO Dra) ; stars: oscillations
学科分类: 天文和天体物理
DOI: 10.1088/0004-6256/148/6/106
文章类型: Article
英文摘要: We 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.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: DELTA-SCT COMPONENTS ; LIGHT CURVES ; STAR LIGHT ; SYSTEM ; FREQUENCY ; EVOLUTION
收录类别: SCI
语种: 英语
WOS记录号: WOS:000345223200003
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/11572
Appears in Collections:恒星结构、演化和脉动研究团组_期刊论文

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作者单位: 1.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:
Zhang, X. B.; Deng, L. C.; Tian, J. F.; Wang, K.; Sun, J. J.; Liu, Q. L.; Xin, H. Q.; Zhou, Q.; Yan, Z. Z.; Luo, Z. Q.; Luo, C. Q..PHOTOMETRIC STUDY OF THE PULSATING, ECLIPSING BINARY OO DRA,ASTRONOMICAL JOURNAL,2014,148(6):106
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