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PHOTOMETRIC-STUDY OF THE ALGOL-TYPE ECLIPSING BINARY EU HYDRAE
Gu SH(顾盛宏); Liu QY(刘清耀); Yang YL(杨毓兰); Wang B(王毕); GU, SH
发表期刊ASTROPHYSICS AND SPACE SCIENCE
1993-05
卷号203期号:2页码:189-195
DOI10.1007/BF00658987
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收录类别SCI
摘要In this paper, we give the BV photoelectric light curves of the Algol-type eclipsing binary EU Hydrae. We have analysed its period by means of the times of minima determined from this observation and the times of minima which other observers published. The period was found to gradually decrease with a change rate dP/dE = - 3.29d x 10(-10). The obtained light curves have been solved using Wilson-Devinney's synthetic light-curve program. The results demonstrate that EU Hydrae is a detached system, the secondary component fills the Roche-lobe, its mass ratio is 0.205. EU Hya may evolve to be a semi-detached system in which the secondary component fills the Roche-lobe.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-640X
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WOS记录号WOS:A1993LT15800002
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]LIGHT CURVES
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6762
专题恒星物理研究组
通讯作者GU, SH
作者单位Yunnan Observatory, Academia Sinica, Kunming, China
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GB/T 7714
Gu SH,Liu QY,Yang YL,et al. PHOTOMETRIC-STUDY OF THE ALGOL-TYPE ECLIPSING BINARY EU HYDRAE[J]. ASTROPHYSICS AND SPACE SCIENCE,1993,203(2):189-195.
APA Gu SH,Liu QY,Yang YL,Wang B,&GU, SH.(1993).PHOTOMETRIC-STUDY OF THE ALGOL-TYPE ECLIPSING BINARY EU HYDRAE.ASTROPHYSICS AND SPACE SCIENCE,203(2),189-195.
MLA Gu SH,et al."PHOTOMETRIC-STUDY OF THE ALGOL-TYPE ECLIPSING BINARY EU HYDRAE".ASTROPHYSICS AND SPACE SCIENCE 203.2(1993):189-195.
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