| Insight-HXMT observations of thermonuclear X-ray bursts in 4U 1636-53 | |
Yan Z(颜哲)1,2,3 ; Zhang GB(张国宝)1,2; Chen, Yu-Peng3; Zhang, Shu3; Mendez, Mariano4; Peng, Jingqiang2,3; Zhang, Shuang-Nan3; Qu, Jinlu3; Lyu, Ming5,6; Mao JR(毛基荣)1; Ge, Mingyu3; Wang JC(王建成)1,2
| |
| 发表期刊 | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
 |
| 2024-03-06 | |
| 卷号 | 529期号:2页码:1585-1596 |
| DOI | 10.1093/mnras/stae283 |
| 产权排序 | 第1完成单位 |
| 收录类别 | SCI ; EI |
| 关键词 | stars: individual: 4U 1636-53 stars: neutron X-rays: binaries X-rays: bursts |
| 摘要 | We conducted an analysis of 45 bursts observed from 4U 1636-53. To investigate the mechanism behind the light-curve profiles and the impact of thermonuclear X-ray bursts on the accretion environment in accreting neutron star low-mass X-ray binaries. This analysis employed both light-curve and time-resolved spectroscopy methodologies, with data collected by the Insight-Hard X-ray Modulation Telescope instrument. We found that 30 bursts exhibited similar light-curve profiles and were predominantly in the hard state, and two photospheric radius expansion (PRE) bursts were in the soft state. The light curves of most bursts did not follow a single exponential decay but displayed a dual-exponential behaviour. The initial exponent had a duration of approximately 6 s. We utilized both the standard method and the 'fa' method to fit the burst spectra. The majority of the 'fa' values exceeded 1, indicating an enhancement of the persistent emission during the burst. Under the two Comptonization components assumption, we suggest that the scattering of burst photons by the inner corona may mainly contribute to the persistent emission enhancement. We also observed an inverse correlation between the maximum fa and the persistent emission flux in the non-PRE burst. This anticorrelation suggests that when the accretion rate is lower, there is a greater enhancement of persistent emission during the burst peak. The prediction based on Poynting-Robertson drag (P-R drag) aligns with this observed anticorrelation. |
| 资助项目 | National Key Research and Development Program of China[2021YFA0718500]; National Key R&D Program of China; Yunnan Revitalization Talent Support Program[12393813]; National Natural Science Foundation of China (NSFC)[U1838116]; NSFC; China Manned Space Project[21A0096]; China Manned Space Project[U2031205]; Hunan Education Department Foundation |
| 项目资助者 | National Key Research and Development Program of China[2021YFA0718500] ; National Key R&D Program of China ; Yunnan Revitalization Talent Support Program[12393813] ; National Natural Science Foundation of China (NSFC)[U1838116] ; NSFC ; China Manned Space Project[21A0096, U2031205] ; Hunan Education Department Foundation |
| 语种 | 英语 |
| 学科领域 | 天文学 ; 天文学:星系与宇宙学 |
| 文章类型 | Article |
| 出版者 | OXFORD UNIV PRESS |
| 出版地 | GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND |
| ISSN | 0035-8711 |
| URL | 查看原文 |
| WOS记录号 | WOS:001191121300017 |
| WOS研究方向 | Astronomy & Astrophysics |
| WOS类目 | Astronomy & Astrophysics |
| 关键词[WOS] | RADIUS EXPANSION ; RP PROCESS ; AQL X-1 ; ACCRETION ; SPECTRA ; OSCILLATIONS ; VARIABILITY ; EVOLUTION ; RADIATION ; DYNAMICS |
| EI入藏号 | 20241215790523 |
| EI主题词 | Stars |
| EI分类号 | 657.2 Extraterrestrial Physics and Stellar Phenomena - 744.9 Laser Applications |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ynao.ac.cn/handle/114a53/26561 |
| 专题 | 高能天体物理研究组 星系类星体研究组 |
| 通讯作者 | Zhang GB(张国宝) |
| 作者单位 | 1.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650216, China; 2.University of Chinese Academy of Science, Chinese Academy of Science, Beijing, 100049, China; 3.Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China; 4.Kapteyn Astronomical Institute, University of Groningen, P.O. Box 800, Groningen, NL-9700 AV, Netherlands; 5.Department of Physics, Xiangtan University, Xiangtan, Hunan, 411105, China; 6.Key Laboratory of Stars and Interstellar Medium, Xiangtan University, Xiangtan, Hunan, 411105, China |
| 第一作者单位 | 中国科学院云南天文台 |
| 通讯作者单位 | 中国科学院云南天文台 |
| 推荐引用方式 GB/T 7714 | Yan Z,Zhang GB,Chen, Yu-Peng,et al. Insight-HXMT observations of thermonuclear X-ray bursts in 4U 1636-53[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2024,529(2):1585-1596. |
| APA | Yan Z.,Zhang GB.,Chen, Yu-Peng.,Zhang, Shu.,Mendez, Mariano.,...&Wang JC.(2024).Insight-HXMT observations of thermonuclear X-ray bursts in 4U 1636-53.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,529(2),1585-1596. |
| MLA | Yan Z,et al."Insight-HXMT observations of thermonuclear X-ray bursts in 4U 1636-53".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 529.2(2024):1585-1596. |
| 条目包含的文件 | ||||||
| 文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
| Insight-HXMT observa（2312KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 | |
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
修改评论