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| Searching for the Highest Energy of Pulsation and Critical Luminosity of Swift J0243.6+6124 Observed by Insight-HXMT | |
Zhao QX(赵庆霞)1,2,3 ; Hou X(侯贤)1,4; Ge, Ming-Yu2; Zhang, Shuang-Nan2; Xiao, Yun-Xiang2,3; Tuo, You-Li5; Yang, Zi-Xu6; Kong, Ling-Da5; Qu, Jin-Lu3; Zhang, Shu3; Wang JC(王建成)1,4
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| 发表期刊 | RESEARCH IN ASTRONOMY AND ASTROPHYSICS
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| 2024-05-01 | |
| 卷号 | 24期号:5 |
| DOI | 10.1088/1674-4527/ad3902 |
| 产权排序 | 第1完成单位 |
| 收录类别 | SCI |
| 关键词 | (stars:) pulsars: individual (Swift J0243.6+6124) X-rays: binaries stars: neutron |
| 摘要 | Owing to the broad energy coverage of Insight-HXMT in the hard X-ray band, we detected the highest energy of pulsation exceeding 200 keV around the 2017-2018 outburst peak of the first Galactic pulsating ultraluminous X-ray source (PULX) Swift J0243.6+6124, which is the highest energy detected from PULXs to date. We also obtained the highest energy of pulsation of every exposure during the outburst in 2017-2018, and found the highest energy is roughly positively correlated with luminosity. Using our newly developed method, we identified the critical luminosity being 4 x 10(38) erg s(-1) when the main peaks of the low and high energy pulse profiles became aligned, which separates the fan-beam dominated and pencil-beam dominated accretion regimes. Above the critical luminosity, the phase of the main peak shifted gradually from 0.5 to 0.8 until the outburst peak in all energy bands is reached, which is in agreement with the phase shift found previously at low energies. Our result is consistent with what is derived from spectral analysis. |
| 资助项目 | China National Space Administration (CNSA); Chinese Academy of Sciences (CAS); National Key R&D Program of China[2021YFA0718500]; National Key R&D Program of China[2023YFE0101200]; Minister of Science and Technology of China (MOST); National Natural Science Foundation of China[12373051]; National Natural Science Foundation of China[12333007]; International Partnership Program of Chinese Academy of Sciences[113111KYSB20190020] |
| 项目资助者 | China National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS) ; National Key R&D Program of China[2021YFA0718500, 2023YFE0101200] ; Minister of Science and Technology of China (MOST) ; National Natural Science Foundation of China[12373051, 12333007] ; International Partnership Program of Chinese Academy of Sciences[113111KYSB20190020] |
| 语种 | 英语 |
| 学科领域 | 天文学 ; 星系与宇宙学 |
| 文章类型 | Article |
| 出版者 | NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES |
| 出版地 | 20A DATUN RD, CHAOYANG, BEIJING, 100101, PEOPLES R CHINA |
| ISSN | 1674-4527 |
| URL | 查看原文 |
| WOS记录号 | WOS:001220819400001 |
| WOS研究方向 | Astronomy & Astrophysics |
| WOS类目 | Astronomy & Astrophysics |
| 关键词[WOS] | X-RAY PULSAR ; OPTICALLY THICK ENVELOPES ; ACCRETING NEUTRON-STARS ; RX J0209.6-7427 ; COMPTON-SCATTERING ; MAGNETIC-FIELD ; SMC X-3 ; DISCOVERY ; RADIATION ; EMISSION |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 版本 | 出版稿 |
| 条目标识符 | http://ir.ynao.ac.cn/handle/114a53/27198 |
| 专题 | 星系类星体研究组 高能天体物理研究组 中国科学院天体结构与演化重点实验室 |
| 作者单位 | 1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China; [email protected], [email protected]; 2.Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China; [email protected]; 3.University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, China; 4.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650216, China; 5.Institut für Astronomie und Astrophysik, Sand 1, D-72076 Tübingen, Germany; 6.School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255000, China |
| 第一作者单位 | 中国科学院云南天文台 |
| 推荐引用方式 GB/T 7714 | Zhao QX,Hou X,Ge, Ming-Yu,et al. Searching for the Highest Energy of Pulsation and Critical Luminosity of Swift J0243.6+6124 Observed by Insight-HXMT[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2024,24(5). |
| APA | 赵庆霞.,侯贤.,Ge, Ming-Yu.,Zhang, Shuang-Nan.,Xiao, Yun-Xiang.,...&王建成.(2024).Searching for the Highest Energy of Pulsation and Critical Luminosity of Swift J0243.6+6124 Observed by Insight-HXMT.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,24(5). |
| MLA | 赵庆霞,et al."Searching for the Highest Energy of Pulsation and Critical Luminosity of Swift J0243.6+6124 Observed by Insight-HXMT".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 24.5(2024). |
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