中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 云南天文台
  3. 中国科学院云南天文台
  4. 射电天文研究组
Sudden Polarization Angle Jumps of the Repeating Fast Radio Burst FRB 20201124A

文献类型：期刊论文

作者Niu, J. R.21,22; Wang, W. Y.21; Jiang, J. C.22; Qu, Y.19,20; Zhou, D. J.22; Zhu, W. W.22; Lee, K. J.17,18,22; Han, J. L.22; Zhang, B.19,20; Li, D.16,22
刊名ASTROPHYSICAL JOURNAL LETTERS
出版日期2024-09-01
卷号972期号:2
ISSN号2041-8205
DOI10.3847/2041-8213/ad7023
产权排序第8完成单位
文献子类Article
英文摘要We report the first detection of polarization angle orthogonal jumps, a phenomenon previously only observed from radio pulsars, from a fast radio burst (FRB) source FRB 20201124A. We find three cases of orthogonal jumps in over 2000 bursts, all resembling those observed in pulsar single pulses. We propose that the jumps are due to the superposition of two orthogonal emission modes that could only be produced in a highly magnetized plasma, and they are caused by the line of sight sweeping across a rotating magnetosphere. The shortest jump timescale is of the order of 1 millisecond, which hints that the emission modes come from regions smaller than the light cylinder of most pulsars or magnetars. This discovery provides convincing evidence that FRB emission originates from the complex magnetosphere of a magnetar, suggesting an FRB emission mechanism that is analogous to radio pulsars despite a huge luminosity difference between two types of objects.
学科主题天文学 ; 射电天文学
URL标识查看原文
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
WOS关键词CURVATURE RADIATION ; PULSAR MAGNETOSPHERES ; WAVE-PROPAGATION ; MODES ; EMISSION ; DEPOLARIZATION ; MECHANISM ; BUNCHES ; ORIGIN
资助项目Chinese Academy of Sciences; National SKA Program of China[2020SKA0120200]; National SKA Program of China[2020SKA0120100]; National Nature Science Foundation[12041303]; National Nature Science Foundation[12041304]; CAS Project for Young Scientists in Basic Research[YSBR-063]; National Key R&D Program of China[2017YFA0402600]; National Key R&D Program of China[2021YFA0718500]; CAS-MPG LEGACY project; Max-Planck Partner Group; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB0550300]; Leading Innovation and Entrepreneurship Team of Zhejiang Province of China[2023R01008]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001302599900001
出版者IOP Publishing Ltd
资助机构Chinese Academy of Sciences ; National SKA Program of China[2020SKA0120200, 2020SKA0120100] ; National Nature Science Foundation[12041303, 12041304] ; CAS Project for Young Scientists in Basic Research[YSBR-063] ; National Key R&D Program of China[2017YFA0402600, 2021YFA0718500] ; CAS-MPG LEGACY project ; Max-Planck Partner Group ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB0550300] ; Leading Innovation and Entrepreneurship Team of Zhejiang Province of China[2023R01008]
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/27574]  
专题云南天文台_射电天文研究组
作者单位1.Guizhou Provincial Key Laboratory of Radio Astronomy and Data Processing, Guizhou Normal University, Guiyang 550025, People's Republic of China
2.School of Physics and Electronic Science, Guizhou Normal University, Guiyang 550025, People's Republic of China;
3.National Space Science Center, Chinese Academy of Sciences, Beijing 100190, People's Republic of China;
4.South-Western Institute for Astronomy Research, Yunnan University, Kunming, Yunnan 650504, People's Republic of China;
5.Pengcheng Laboratory, Shenzhen, 518055, People's Republic of China;
6.Faculty of Electrical engineering and Computer Science, Ningbo University, Ningbo 315211, People's Republic of China;
7.Lanzhou University, Lanzhou 730000, People's Republic of China;
8.Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University), Ministry of Education, People's Republic of China;
9.School of Astronomy and Space Science, Nanjing University, Nanjing 210093, People's Republic of China;
10.Institute of Astrophysics, Central China Normal University, Wuhan 430079, People's Republic of China;
推荐引用方式
GB/T 7714		 Niu, J. R.,Wang, W. Y.,Jiang, J. C.,et al. Sudden Polarization Angle Jumps of the Repeating Fast Radio Burst FRB 20201124A[J]. ASTROPHYSICAL JOURNAL LETTERS,2024,972(2).
APA Niu, J. R..,Wang, W. Y..,Jiang, J. C..,Qu, Y..,Zhou, D. J..,...&Zhu, Y. H..(2024).Sudden Polarization Angle Jumps of the Repeating Fast Radio Burst FRB 20201124A.ASTROPHYSICAL JOURNAL LETTERS,972(2).
MLA Niu, J. R.,et al."Sudden Polarization Angle Jumps of the Repeating Fast Radio Burst FRB 20201124A".ASTROPHYSICAL JOURNAL LETTERS 972.2(2024).

入库方式： OAI收割

来源：云南天文台

浏览0
下载0
收藏0
其他版本

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。