X-Ray Transients from the Accretion-induced Collapse of White Dwarfs

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成果类型：

期刊论文

作者：

Yu, Yun-Wei*（俞云伟）;Chen, Aming;Li, Xiang-Dong

通讯作者：

Yu, Yun-Wei（俞云伟）

作者机构：

[Yu, Yun-Wei; Chen, Aming] Cent China Normal Univ, Inst Astrophys, Wuhan 430079, Hubei, Peoples R China.

[Yu, Yun-Wei; Chen, Aming] Cent China Normal Univ, Minist Educ, Key Lab Quark & Lepton Phys, Wuhan 430079, Hubei, Peoples R China.

[Li, Xiang-Dong] Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China.

[Li, Xiang-Dong] Nanjing Univ, Minist Educ, Key Lab Modern Astron & Astrophys, Nanjing, Jiangsu, Peoples R China.

通讯机构：

[Yu, Yun-Wei] C

Cent China Normal Univ, Inst Astrophys, Wuhan 430079, Hubei, Peoples R China.

Cent China Normal Univ, Minist Educ, Key Lab Quark & Lepton Phys, Wuhan 430079, Hubei, Peoples R China.

语种：

英文

关键词：

stars: neutron;supernovae: general;white dwarfs;X-rays: general

期刊：

ASTROPHYSICAL JOURNAL LETTERS

ISSN：

2041-8205

年：

2019

卷：

877

期：

页码：

L21 (7pp)

DOI：

10.3847/2041-8213/ab1f85

基金类别：

2019-06-01 2019-05-29 14:09:19 cgi/release: Article released bin/incoming: New from .zip the National Natural Science Foundation of China 11822302 11833003 11773015 and U1838201 the National Key Research and Development Program of China 2016YFA0400803 yes

机构署名：

本校为第一且通讯机构

院系归属：

物理科学与技术学院

摘要：

The accretion-induced collapse (AIC) of a white dwarf in a binary with a nondegenerate companion can sometimes lead to the formation of a rapidly rotating and highly magnetized neutron star (NS). The spin-down of this NS can drive a powerful pulsar wind (PW) and bring out some detectable multi-wavelength emissions. On the one hand, the PW can evaporate the companion in a few days to form a torus surrounding the NS. Then, due to the blockage of the PW by the torus, a reverse shock can be formed in the wind to generate intense hard X-rays. This e...

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