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Very extreme mass-ratio bursts in the Galaxy and neighbouring galaxies in relation to space-borne detectors
Han, Wen-Biao1,2,3,7; Zhong, Xing-Yu1,2; Chen, Xian4,5; Xin, Shuo6,8
2020-10-11
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume498Issue:1Pages:L61-L65
AbstractTwo recent papers (by Amaro-Seoane and Gourgoulhon and co-workers) revealed that in our Galaxy there are very extreme mass-ratio inspirals composed of brown dwarfs and a supermassive black hole at the centre of the Galaxy. The event rates estimated in these papers are very considerable for future space-borne detectors. In addition, there are plunge events during the formation of inspiralling orbits. In this work, we calculate the gravitational waves from compact objects (brown dwarfs, primordial black holes, etc.) plunging into or being scattered by the central supermassive black hole. We find that for space-borne detectors the signal-to-noise ratios of these bursts are quite high. The event rates are estimated as similar to 0.01 yr(-1) for the Galaxy. If we are lucky, this kind of very extreme mass-ratio burst will offer a unique chance to reveal the nearest supermassive black hole and nuclei dynamics. The event rate could be as large as 4 similar to 8 yr(-1) within 10 Mpc, and because the signal is strong enough for observations by space-borne detectors, we have a good chance of being able to probe the nature of neighbouring black holes.
Keywordblack hole physics gravitational waves stars: low-mass galaxy: centre
Funding OrganizationNSFC ; NSFC ; MEXT ; MEXT ; JSPS Leading-edge Research Infrastructure Program ; JSPS Leading-edge Research Infrastructure Program ; JSPS ; JSPS ; JSPS Core-to-Core Program A, Advanced Research Networks ; JSPS Core-to-Core Program A, Advanced Research Networks ; Institute for Cosmic Ray Research, University of Tokyo ; Institute for Cosmic Ray Research, University of Tokyo ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; MEXT ; MEXT ; JSPS Leading-edge Research Infrastructure Program ; JSPS Leading-edge Research Infrastructure Program ; JSPS ; JSPS ; JSPS Core-to-Core Program A, Advanced Research Networks ; JSPS Core-to-Core Program A, Advanced Research Networks ; Institute for Cosmic Ray Research, University of Tokyo ; Institute for Cosmic Ray Research, University of Tokyo ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; MEXT ; MEXT ; JSPS Leading-edge Research Infrastructure Program ; JSPS Leading-edge Research Infrastructure Program ; JSPS ; JSPS ; JSPS Core-to-Core Program A, Advanced Research Networks ; JSPS Core-to-Core Program A, Advanced Research Networks ; Institute for Cosmic Ray Research, University of Tokyo ; Institute for Cosmic Ray Research, University of Tokyo ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; MEXT ; MEXT ; JSPS Leading-edge Research Infrastructure Program ; JSPS Leading-edge Research Infrastructure Program ; JSPS ; JSPS ; JSPS Core-to-Core Program A, Advanced Research Networks ; JSPS Core-to-Core Program A, Advanced Research Networks ; Institute for Cosmic Ray Research, University of Tokyo ; Institute for Cosmic Ray Research, University of Tokyo ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS
DOI10.1093/mnrasl/slaa115
WOS KeywordEVALUATE HOMOGENEOUS SOLUTIONS ; BLACK-HOLE ; GRAVITATIONAL-RADIATION ; TEUKOLSKY EQUATION ; NUMERICAL-METHODS ; POINT ; FIELD
Language英语
Funding ProjectNSFC[11273045] ; MEXT ; JSPS Leading-edge Research Infrastructure Program ; JSPS[26000005] ; JSPS[2905: JP17H06358] ; JSPS[JP17H06361] ; JSPS[JP17H06364] ; JSPS[17H06133] ; JSPS Core-to-Core Program A, Advanced Research Networks ; Institute for Cosmic Ray Research, University of Tokyo ; Key Research Program of Frontier Sciences, CAS[QYZDB-SSW-SYS016]
Funding OrganizationNSFC ; NSFC ; MEXT ; MEXT ; JSPS Leading-edge Research Infrastructure Program ; JSPS Leading-edge Research Infrastructure Program ; JSPS ; JSPS ; JSPS Core-to-Core Program A, Advanced Research Networks ; JSPS Core-to-Core Program A, Advanced Research Networks ; Institute for Cosmic Ray Research, University of Tokyo ; Institute for Cosmic Ray Research, University of Tokyo ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; MEXT ; MEXT ; JSPS Leading-edge Research Infrastructure Program ; JSPS Leading-edge Research Infrastructure Program ; JSPS ; JSPS ; JSPS Core-to-Core Program A, Advanced Research Networks ; JSPS Core-to-Core Program A, Advanced Research Networks ; Institute for Cosmic Ray Research, University of Tokyo ; Institute for Cosmic Ray Research, University of Tokyo ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; MEXT ; MEXT ; JSPS Leading-edge Research Infrastructure Program ; JSPS Leading-edge Research Infrastructure Program ; JSPS ; JSPS ; JSPS Core-to-Core Program A, Advanced Research Networks ; JSPS Core-to-Core Program A, Advanced Research Networks ; Institute for Cosmic Ray Research, University of Tokyo ; Institute for Cosmic Ray Research, University of Tokyo ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; MEXT ; MEXT ; JSPS Leading-edge Research Infrastructure Program ; JSPS Leading-edge Research Infrastructure Program ; JSPS ; JSPS ; JSPS Core-to-Core Program A, Advanced Research Networks ; JSPS Core-to-Core Program A, Advanced Research Networks ; Institute for Cosmic Ray Research, University of Tokyo ; Institute for Cosmic Ray Research, University of Tokyo ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000587744400013
PublisherOXFORD UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/81094
Collection中国科学院国家天文台
Corresponding AuthorHan, Wen-Biao; Zhong, Xing-Yu
Affiliation1.Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
3.UCAS, Hangzhou Inst Adv Study, Sch Fundamental Phys & Math Sci, Hangzhou 310024, Peoples R China
4.Peking Univ, Sch Phys, Astron Dept, Beijing 100871, Peoples R China
5.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
6.Tongji Univ, Shanghai 200092, Peoples R China
7.Int Ctr Theoret Phys Asia Pacific, Beijing, Peoples R China
8.Shanghai Astron Observ, Key Lab Res Galaxies & Cosmol, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Han, Wen-Biao,Zhong, Xing-Yu,Chen, Xian,et al. Very extreme mass-ratio bursts in the Galaxy and neighbouring galaxies in relation to space-borne detectors[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2020,498(1):L61-L65.
APA Han, Wen-Biao,Zhong, Xing-Yu,Chen, Xian,&Xin, Shuo.(2020).Very extreme mass-ratio bursts in the Galaxy and neighbouring galaxies in relation to space-borne detectors.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,498(1),L61-L65.
MLA Han, Wen-Biao,et al."Very extreme mass-ratio bursts in the Galaxy and neighbouring galaxies in relation to space-borne detectors".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 498.1(2020):L61-L65.
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