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Masses of double neutron star mergers
Kruckow, Matthias U.
Source PublicationASTRONOMY & ASTROPHYSICS
2020-07-22
Volume639Pages:6
DOI10.1051/0004-6361/202037519
Contribution Rank第1完成单位
Indexed BySCI
Keywordbinaries: close gravitational waves pulsars: general stars: neutron stars: evolution
Abstract

Aims. I aim to explain the mass discrepancy between the observed double neutron-star binary population by radio pulsar observations and gravitational-wave observation. Methods. I performed binary population synthesis calculations and compared their results with the radio and the gravitational-wave observations simultaneously. Results. Simulations of binary evolution were used to link different observations of double neutron star binaries with each other. I investigated the progenitor of GW190425 in more detail. A distribution of masses and merger times of the possible progenitors is presented. Conclusions. A mass discrepancy between the radio pulsars in the Milky Way with another neutron star companion and the inferred masses from gravitational-wave observations of those kind of merging systems is naturally found in binary evolution.

Funding ProjectNatural Science Foundation of China[11521303] ; Natural Science Foundation of China[11733008]
Funding OrganizationNatural Science Foundation of China[11521303, 11733008]
Language英语
Subject Area天文学 ; 恒星与银河系 ; 恒星物理学 ; 恒星形成与演化
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherEDP SCIENCES S A
Publication Place17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A, FRANCE
ISSN0004-6361
URL查看原文
WOS IDWOS:000555013500001
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordBINARY ; PROGENITORS ; PULSAR ; EVOLUTION
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/23621
Collection大样本恒星演化研究组
Corresponding AuthorKruckow, Matthias U.
AffiliationYunnan Observatories, Chinese Academy of Sciences, Kunming 650216, PR China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Kruckow, Matthias U.. Masses of double neutron star mergers[J]. ASTRONOMY & ASTROPHYSICS,2020,639:6.
APA Kruckow, Matthias U..(2020).Masses of double neutron star mergers.ASTRONOMY & ASTROPHYSICS,639,6.
MLA Kruckow, Matthias U.."Masses of double neutron star mergers".ASTRONOMY & ASTROPHYSICS 639(2020):6.
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