中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 云南天文台
  3. 中国科学院云南天文台
  4. 大样本恒星演化研究组
Probing the shape of the brown dwarf desert around main-sequence A-F-G-type stars using post-common-envelope WD-BD binaries

文献类型：期刊论文

作者Chen, Zhangliang4,5; Chen, Yizhi4,5; Chen, Chen4,5; Ge HW(葛宏伟)1,2,3; Ma, Bo4,5
刊名ASTRONOMY & ASTROPHYSICS
出版日期2024-07-17
卷号687
关键词binaries: close brown dwarfs white dwarfs
ISSN号0004-6361
DOI10.1051/0004-6361/202348870
产权排序第3完成单位
文献子类Article
英文摘要Context. Brown dwarfs (BDs) with masses in the range 40-60 M-Jup are rare around solar-type main-sequence (MS) stars, which gives rise to the brown dwarf desert (BDD). One caveat associated with previous studies of BDD is the relatively limited sample size of MS-BD binaries with accurately determined BD masses. Aims. We aim to produce a large sample of BD companions with precisely determined masses around MS A-F-G-type stars using observations of post-common-envelope white dwarf (WD)-BD binaries. Methods. We employed the rapid binary evolution code COMPAS to deduce the properties of MS-BD binary progenitors from post-common-envelope WD-BD binaries. With this method, we increase the sample of directly observed MS-BD binaries, enriching the data available for analyzing the BDD around MS A-F-G-type stars. Results. Our study opens a new window for studying the shape of the BDD around A-F-G-type MS stars in the short-period regime. We find tentative evidence, albeit with a small sample size, that the driest part of the BDD around A-F-G-type stars may extend into an orbital period of several hundred days. More post-common-envelope WD-BD binaries detected in the future will advance our understanding of the BDD around A-F-G-type stars.
学科主题天文学 ; 恒星与银河系
URL标识查看原文
出版地17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A, FRANCE
WOS关键词LOW-MASS COMPANIONS ; WHITE-DWARF ; TRANSITING EXOPLANETS ; SUBSTELLAR COMPANIONS ; STELLAR COMPANIONS ; SHORT-PERIOD ; EVOLUTION ; ORBIT ; SDSS ; PROJECT
资助项目National Key R&D Program of China[2021YFA1600403]; National Key R&D Program of China[2020YFC2201400]; NSFC[12073092]; NSFC[12103097]; NSFC[12103098]; NSFC[12288102]; NSFC[12125303]; NSFC[12173081]; China Manned Space Project[CMS-CSST-2021-B09]; Key research program of frontier sciences, CAS[ZDBS-LY-7005]; Yunnan Fundamental Research Projects[202101AV070001]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001271688200001
出版者EDP SCIENCES S A
资助机构National Key R&D Program of China[2021YFA1600403, 2020YFC2201400] ; NSFC[12073092, 12103097, 12103098, 12288102, 12125303, 12173081] ; China Manned Space Project[CMS-CSST-2021-B09] ; Key research program of frontier sciences, CAS[ZDBS-LY-7005] ; Yunnan Fundamental Research Projects[202101AV070001]
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/27499]  
专题云南天文台_大样本恒星演化研究组
云南天文台_中国科学院天体结构与演化重点实验室
作者单位1.International Centre of Supernovae, Yunnan Key Laboratory, Kunming 650216, PR China
2.Key Laboratory for Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, PO Box 110 Kunming 650216, PR China;
3.Yunnan Observatories, Chinese Academy of Sciences, 396 YangFangWang, Guandu District, Kunming 650216, PR China;
4.CSST Science Center for the Guangdong-HongKong-Macau Great Bay Area, Sun Yat-sen University, Zhuhai 519082, PR China;
5.School of Physics and Astronomy, Sun Yat-sen University, Zhuhai 519082, PR China;
推荐引用方式
GB/T 7714		 Chen, Zhangliang,Chen, Yizhi,Chen, Chen,et al. Probing the shape of the brown dwarf desert around main-sequence A-F-G-type stars using post-common-envelope WD-BD binaries[J]. ASTRONOMY & ASTROPHYSICS,2024,687.
APA Chen, Zhangliang,Chen, Yizhi,Chen, Chen,葛宏伟,&Ma, Bo.(2024).Probing the shape of the brown dwarf desert around main-sequence A-F-G-type stars using post-common-envelope WD-BD binaries.ASTRONOMY & ASTROPHYSICS,687.
MLA Chen, Zhangliang,et al."Probing the shape of the brown dwarf desert around main-sequence A-F-G-type stars using post-common-envelope WD-BD binaries".ASTRONOMY & ASTROPHYSICS 687(2024).

入库方式： OAI收割

来源：云南天文台

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。