An Insight-HXMT Dedicated 33 day Observation of SGR J1935+2154. II. Burst Spectral Catalog

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作者信息关键词期刊信息会议信息基础信息归属信息摘要

成果类型：

期刊论文、会议论文

作者：

Cai, Ce;Xiong, Shao-Lin;Lin, Lin;Li, Cheng-Kui;Zhang, Shuang-Nan;...

作者机构：

[Zheng, Chao; Cai, Ce; Li, Xiao-Bo; Guo, Zhi-Wei; Zhang, Yan-Qiu; Zhang, Zhen; Liu, Jia-Cong; Zhao, Yi; Xiong, Shao-Lin; Xue, Wang-Chen; Wang, Ping; Zhao, Hai-Sheng; Zhang, Shuang-Nan; Lu, Fang-Jun; Li, Cheng-Kui; Xiao, Shuo; Ge, Ming-Yu; Xie, Sheng-Lun; Song, Li-Ming; Yi, Qi-Bin; Zhang, Shu; Tuo, You-Li] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, 19B Yuquan Rd, Beijing 100049, Peoples R China.

[Zheng, Chao; Cai, Ce; Zhang, Yan-Qiu; Liu, Jia-Cong; Xue, Wang-Chen; Zhang, Shuang-Nan; Lu, Fang-Jun; Xiao, Shuo; Song, Li-Ming] Univ Chinese Acad Sci, Chinese Acad Sci, Beijing 100049, Peoples R China.

[Zhao, Yi; Li, Qing-Xin; Lin, Lin] Beijing Normal Univ, Dept Astron, Beijing 100088, Peoples R China.

[Guo, Zhi-Wei] Hebei Univ, Coll Phys Sci Technol, 180 Wusi Dong Rd, Baoding City 071002, Hebei, Peoples R China.

[Xie, Sheng-Lun] Cent China Normal Univ, Sch Phys Sci & Technol, Wuhan 430097, Peoples R China.

语种：

英文

期刊：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES

ISSN：

0067-0049

年：

2022

卷：

260

期：

页码：

会议名称：

00670049

ISBN：

Astrophys. J. Suppl. Ser.

DOI：

10.3847/1538-4365/ac67e4

基金类别：

We thank the anonymous reviewer for very helpful comments and suggestions. We are grateful to Prof. Shri Kulkarni for suggesting the 1 month observation after the initial ToO of SGR J1935+2154. This work is supported by the National Key R&D Program of China (2021YFA0718500). The authors acknowledge support from the Strategic Priority Research Program on Space Science, the Chinese Academy of Sciences (grant Nos. XDA15360300, XDA15052700, XDB23040400), and the National Natural Science Foundation of China (grant Nos. U1838201, U1838202, U1838113, U2038106, U1938201, 12133007, 11961141013).

机构署名：

本校为其他机构

院系归属：

物理科学与技术学院

摘要：

Since 2020 April 28, Insight-HXMT has implemented a dedicated observation on the magnetar SGR J1935+2154. Thanks to the wide energy band (1-250 keV) and high sensitivity of Insight-HXMT, we obtained 75 bursts from SGR J1935+2154 during a month-long activity episode after the emission of FRB 200428. Here we report the detailed time-integrated spectral analysis of these bursts and the statistical distribution of the spectral parameters. We find that for ∼15% (11/75) of SGR J1935+2154 bursts, the CPL model is preferred, and most of them occurred ...

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An Insight-HXMT Dedicated 33 day Observation of SGR J1935+2154. II. Burst Spectral Catalog

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