First four-color photometric investigation of extreme mass-ratio contact binary AS coronae borealis
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- 作者：Liang Liu ; a ; b ; c ; LiuL@ynao.ac.cn" class="auth_mail" title="E-mail the corresponding author ; creator_ll@126.com" class="auth_mail" title="E-mail the corresponding author ; Shengbang Qiana ; b ; c ; Liying Zhua ; b ; c ; Wenping Liaoa ; b ; Jiajia Hea ; b ; Nianping Liua ; b
- 关键词：Stars ; Binaries ; close ; Stars ; binaries ; eclipsing ; Stars ; individuals (AS coronae borealis) ; Stars ; evolution
- 刊名：New Astronomy
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：51
- 期：Complete
- 页码：1-6
- 全文大小：800 K
文摘
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The first photometric analysis of AS CrB with quality four-color light curves.
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The physical parameters are well estimated due to the totally eclipsing.
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Finding the period of AS CrB is long-term increasing.
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AS CrB is close to the merge condition.