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Physical Parameters of 11,100 Short-period ASAS-SN Eclipsing Contact Binaries
Li, Xu-Zhi1,2; Zhu, Qing-Feng1,2,3; Ding X(丁旭)4,5,6; Xu, Xiao-Hui1,2; Zheng, Hang1,2; Qiu, Jin-Sheng1,2; Liu MC(刘明超)4,7
发表期刊ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
2024-03-01
卷号271期号:1
DOI10.3847/1538-4365/ad226a
产权排序第4完成单位
收录类别SCI
摘要Starting from more than 11,200 short-period (less than 0.5 days) EW-type eclipsing binary candidates with the All-Sky Automated Survey for Supernovae V-band light curves, we use the Markov Chain Monte Carlo algorithm and neural networks to obtain the mass ratio (q), orbital inclination (incl), fill-out factor (f), and temperature ratio (T s /T p ). After crossmatching with the Gaia DR3 database, the final sample contains parameters of 2399 A-type and 8712 W-type contact binaries (CBs). We present the distributions of parameters of these 11,111 short-period CBs. The mass ratio (q) and fill-out factor (f) are found to obey log-normal distributions, and the remaining parameters obey normal distributions. There is a significant period-temperature correlation of these CBs. Additionally, the temperature ratio (T s /T p ) tends to increase as the orbital period decreases for W-type CBs. There is no significant correlation between them for A-type CBs. The mass ratio and fill-out factor (q-f) diagram suggest there is no significant correlation between these two parameters. A clear correlation exists between the mass ratio and radius ratio. The radius ratio increases with the mass ratio. Moreover, the deep fill-out CBs tend to fall on the upper boundary of the q-R s /R p distribution, while the shallow fill-out CBs fall on the lower boundary.
资助项目MOST divided by National Key Research and Development Program of China (NKPs)https://doi.org/10.13039/501100012166[2023YFA1608100]; National Key Research and Development Program of China[2308085QA35]; Anhui Provincial Natural Science Foundation[XDB 41000000]; Strategic Priority Research Program of the Chinese Academy of Sciences[2021M703099]; China Postdoctoral Science Foundation; Fundamental Research Funds for the Central Universities
项目资助者MOST divided by National Key Research and Development Program of China (NKPs)https://doi.org/10.13039/501100012166[2023YFA1608100] ; National Key Research and Development Program of China[2308085QA35] ; Anhui Provincial Natural Science Foundation[XDB 41000000] ; Strategic Priority Research Program of the Chinese Academy of Sciences[2021M703099] ; China Postdoctoral Science Foundation ; Fundamental Research Funds for the Central Universities
语种英语
学科领域天文学
文章类型Article
出版者IOP Publishing Ltd
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0067-0049
URL查看原文
WOS记录号WOS:001179739700001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]VARIABLE-STARS ; LIGHT CURVES ; EVOLUTIONARY STATUS ; COBITOM PROJECT ; OGLE COLLECTION ; CLOSE BINARIES ; CATALOG ; I. ; VARIABILITY ; SYSTEMS
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.ynao.ac.cn/handle/114a53/26557
专题南方基地
中国科学院天体结构与演化重点实验室
作者单位1.CAS Key Laboratory for Research in Galaxies and Cosmology, Department of Astronomy, University of Science and Technology of China, Hefei, 230026, People's Republic of China; [email protected], [email protected];
2.School of Astronomy and Space Sciences, University of Science and Technology of China, Hefei, 230026, People's Republic of China;
3.Deep Space Exploration Laboratory, Hefei 230088, People's Republic of China;
4.Yunnan Observatories, Chinese Academy of Sciences, 396 Yangfangwang, Guandu District, Kunming, 650216, Yunnan, People's Republic of China; [email protected];
5.Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, P.O. Box 110, 650216 Kunming, People's Republic of China;
6.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing 100012, People's Republic of China;
7.University of the Chinese Academy of Sciences, Yuquan Road 19, Shijingshan Block, Beijing, 100049, People's Republic of China
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GB/T 7714
Li, Xu-Zhi,Zhu, Qing-Feng,Ding X,et al. Physical Parameters of 11,100 Short-period ASAS-SN Eclipsing Contact Binaries[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2024,271(1).
APA Li, Xu-Zhi.,Zhu, Qing-Feng.,丁旭.,Xu, Xiao-Hui.,Zheng, Hang.,...&刘明超.(2024).Physical Parameters of 11,100 Short-period ASAS-SN Eclipsing Contact Binaries.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,271(1).
MLA Li, Xu-Zhi,et al."Physical Parameters of 11,100 Short-period ASAS-SN Eclipsing Contact Binaries".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 271.1(2024).
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