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Evolving ONe WD plus He star systems to intermediate-mass binary pulsars
Liu DD(刘栋栋)1,2,3; Wang B(王博)1,2,3; Chen, W.4; Zuo, Z.5; Han ZW(韩占文)1,2,3; Liu DD(刘栋栋), Email: liudongdong@ynao.ac.cn; Wang B(王博), Email: wangbo@ynao.ac.cn
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2018-06-01
卷号477期号:1页码:384-391
DOI10.1093/mnras/sty561
产权排序第1完成单位
收录类别SCI
关键词Binaries: Close Stars: Evolution Stars: Neutron Supernovae: General White Dwarfs
摘要It has been suggested that accretion-induced collapse (AIC) is a non-negligible path for the formation of the observed neutron stars (NSs). An ONe white dwarf (WD) that accretes material from a He star may experience AIC process and eventually produce intermediate mass binary pulsars (IMBPs), named as the ONe WD+He star scenario. Note that previous studies can only account for part of the observed IMBPs with short orbital periods. In this work, we investigate the evolution of about 900 ONe WD+He star binaries to explore the distribution of IMBPs. We found that the ONe WD+He star scenario could form IMBPs including pulsars with 5-340 ms spin periods and 0.75-1.38 M-circle dot WD companions, in which the orbital periods range from 0.04 to 900 d. Compared with the 20 observed IMBPs, this scenario can cover the parameters of 13 sources in the final orbital period WD mass plane and the Corbet diagram, most of which have short orbital periods. We found that the ONe WD+He star scenario can explain almost all the observed IMBPs with short orbital periods. This work can well match the observed parameters of PSR J1802-2124 (one of the two precisely observed IMBPs), providing a possible evolutional path for its formation. We also speculate that the compact companion of HD 49798 (a hydrogen depleted sdO6 star) may be not a NS based on this work.
项目资助者973 Program of China(2014CB845700) ; Natural Science Foundation of China(11673059, 11521303, 11573021, 11573016, 11390374, 11733009) ; Chinese Academy of Sciences(KJZD-EW-M0601, QYZDB-SSW-SYS001) ; Fundamental Research Funds for the Central Universities ; Program for Innovative Research Team (in Science and Technology) at the University of Henan Province ; Natural Science Basic Research Program of Shaanxi Province-Youth Talent Project(2016JQ1016) ; Yunnan Province(2013HA005, 2013HB097, 2017HC018)
语种英语
学科领域天文学
文章类型Article
ISSN0035-8711
URL查看原文
WOS记录号WOS:000432660300026
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACCRETION-INDUCED COLLAPSE ; X-RAY BINARIES ; WHITE-DWARF COMPANIONS ; SUBDWARF HD 49798 ; IA SUPERNOVAE ; NEUTRON-STARS ; MILLISECOND PULSARS ; GLOBULAR-CLUSTERS ; MAGNETIC BRAKING ; CARBON IGNITION
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12396
专题大样本恒星演化研究组
中国科学院天体结构与演化重点实验室
通讯作者Liu DD(刘栋栋), Email: liudongdong@ynao.ac.cn; Wang B(王博), Email: wangbo@ynao.ac.cn
作者单位1.Key Laboratory for the Structure and Evolution of Celestial Objects, Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Center for Astronomical Mega-Science, Chinese Academy of Sciences, Beijing 100012, China
4.School of Physics and Electrical Information, Shangqiu Normal University, Shangqiu 476000, China
5.School of Science, Xi’an Jiaotong University, Xi’an 710049, China
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Liu DD,Wang B,Chen, W.,et al. Evolving ONe WD plus He star systems to intermediate-mass binary pulsars[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2018,477(1):384-391.
APA Liu DD.,Wang B.,Chen, W..,Zuo, Z..,Han ZW.,...&Wang B.(2018).Evolving ONe WD plus He star systems to intermediate-mass binary pulsars.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,477(1),384-391.
MLA Liu DD,et al."Evolving ONe WD plus He star systems to intermediate-mass binary pulsars".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 477.1(2018):384-391.
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