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Eclipsing Millisecond Pulsars with He Star Companions

文献类型：期刊论文

作者Guo, Yunlang4,5; Wang B(王博)2,3; Li, Xiangdong4,5; Liu DD(刘栋栋)2,3; Tang, Wenshi1
刊名ASTROPHYSICAL JOURNAL
出版日期2025-10-10
卷号992期号:1
ISSN号0004-637X
DOI10.3847/1538-4357/ae057b
产权排序第3完成单位
文献子类Article
英文摘要Eclipsing millisecond pulsars (MSPs) are a type of pulsar binaries with close orbits (less than or similar to 1.0 day). They are important objects for studying the accretion history of neutron stars (NSs), pulsar winds, and the origin of isolated MSPs, etc. Recently, a new eclipsing MSP, PSR J1928+1815, was discovered by the Five-hundred-meter Aperture Spherical radio Telescope. It is the first known pulsar with a He star companion, as suggested in Yang et al. The system features a short orbital period of similar to 0.15 days and a relatively massive companion greater than or similar to 1.0 M circle dot. However, the origin of PSR J1928+1815 remains highly uncertain. In this paper, we investigated the formation of the new subclass of eclipsing MSPs containing (evolved) He star companions through the NS + He star channel. We found that if an NS binary undergoes subsequent mass-transfer phases following Case BA or Case BB, it may appear as an eclipsing MSP during the detached phase. Additionally, we obtained the initial parameter space for producing eclipsing MSPs with He star companions. Using the binary population synthesis approach, we estimated their birth rate to be similar to 2.1-4.7 x 10-4 yr-1, corresponding to a total number of similar to 220 systems in the Galaxy. Moreover, we concluded that PSR J1928+1815 may originate from the evolution of an NS + He star system with an initial orbital period of similar to 0.1 days, which can undergo the Case BB mass transfer.
学科主题天文学 ; 恒星与银河系
URL标识查看原文
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
WOS关键词X-RAY BINARIES ; IA SUPERNOVAE ; WHITE-DWARFS ; CONVECTIVE BOUNDARIES ; NEUTRON-STARS ; DONOR CHANNEL ; HELIUM STARS ; MASS ; EVOLUTION ; ACCRETION
资助项目National Natural Science Foundation of China; National Key R&D Program of China[2021YFA0718500]; National Key R&D Program of China[2021YFA1600404]; National Key R&D Program of China[2021YFA1600403]; National Key R&D Program of China[2021YFA1600400]; Western Light Project of CAS[XBZG-ZDSYS-202117]; Yunnan Revitalization Talent Support Program (Yunling Scholar Project); Yunnan Fundamental Research Project[202501AS070005]; International Centre of Supernovae, Yunnan Key Laboratory[202302AN360001]; Youth Innovation Promotion Association CAS[2021058]; Yunnan Revitalization Talent Support Program (Young Talent project); Yunnan Fundamental Research Projects[202401AV070006]; Yunnan Fundamental Research Projects[202201AW070011]; Yunnan Fundamental Research Projects[202201BC070003]; Postdoctoral Fellowship Program of CPSF[GZB20240307]; China Postdoctoral Science Foundation[2024M751375]; China Postdoctoral Science Foundation[2024T170393]; Jiangsu Funding Programme for Excellent Postdoctoral Talent
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001590802700001
出版者IOP Publishing Ltd
资助机构National Natural Science Foundation of China ; National Key R&D Program of China[2021YFA0718500, 2021YFA1600404, 2021YFA1600403, 2021YFA1600400] ; Western Light Project of CAS[XBZG-ZDSYS-202117] ; Yunnan Revitalization Talent Support Program (Yunling Scholar Project) ; Yunnan Fundamental Research Project[202501AS070005] ; International Centre of Supernovae, Yunnan Key Laboratory[202302AN360001] ; Youth Innovation Promotion Association CAS[2021058] ; Yunnan Revitalization Talent Support Program (Young Talent project) ; Yunnan Fundamental Research Projects[202401AV070006, 202201AW070011, 202201BC070003] ; Postdoctoral Fellowship Program of CPSF[GZB20240307] ; China Postdoctoral Science Foundation[2024M751375, 2024T170393] ; Jiangsu Funding Programme for Excellent Postdoctoral Talent[2024ZB705] ; [12041301] ; [12090040/12090043] ; [12121003] ; [12225304] ; [12273105] ; [12288102] ; [12403035]
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/28632]  
专题云南天文台_丽江天文观测站（南方基地）
通讯作者Guo, Yunlang
作者单位1.Department of Astronomy, Xiamen University, Xiamen 361005, People’s Republic of China
2.International Centre of Supernovae, Yunnan Key Laboratory, Kunming 650216, People’s Republic of China;
3.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, People’s Republic of China; wangbo@ynao.ac.cn;
4.Key Laboratory of Modern Astronomy and Astrophysics, Nanjing University, Ministry of Education, Nanjing 210023, People’s Republic of China;
5.School of Astronomy and Space Science, Nanjing University, Nanjing 210023, People’s Republic of China; yunlang@nju.edu.cn, lixd@nju.edu.cn;
推荐引用方式
GB/T 7714		 Guo, Yunlang,Wang B,Li, Xiangdong,et al. Eclipsing Millisecond Pulsars with He Star Companions[J]. ASTROPHYSICAL JOURNAL,2025,992(1).
APA Guo, Yunlang,王博,Li, Xiangdong,刘栋栋,&Tang, Wenshi.(2025).Eclipsing Millisecond Pulsars with He Star Companions.ASTROPHYSICAL JOURNAL,992(1).
MLA Guo, Yunlang,et al."Eclipsing Millisecond Pulsars with He Star Companions".ASTROPHYSICAL JOURNAL 992.1(2025).

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来源：云南天文台

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