Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
A fast radio burst source at a complex magnetized site in a barred galaxy
Nature, Volume 609, No. 7928, Year 2022
Notification
URL copied to clipboard!
Description
Fast radio bursts (FRBs) are highly dispersed, millisecond-duration radio bursts1–3. Recent observations of a Galactic FRB4–8 suggest that at least some FRBs originate from magnetars, but the origin of cosmological FRBs is still not settled. Here we report the detection of 1,863 bursts in 82 h over 54 days from the repeating source FRB 20201124A (ref. 9). These observations show irregular short-time variation of the Faraday rotation measure (RM), which scrutinizes the density-weighted line-of-sight magnetic field strength, of individual bursts during the first 36 days, followed by a constant RM. We detected circular polarization in more than half of the burst sample, including one burst reaching a high fractional circular polarization of 75%. Oscillations in fractional linear and circular polarizations, as well as polarization angle as a function of wavelength, were detected. All of these features provide evidence for a complicated, dynamically evolving, magnetized immediate environment within about an astronomical unit (au; Earth–Sun distance) of the source. Our optical observations of its Milky-Way-sized, metal-rich host galaxy10–12 show a barred spiral, with the FRB source residing in a low-stellar-density interarm region at an intermediate galactocentric distance. This environment is inconsistent with a young magnetar engine formed during an extreme explosion of a massive star that resulted in a long gamma-ray burst or superluminous supernova. © 2022, The Author(s), under exclusive licence to Springer Nature Limited.
Authors & Co-Authors
Xu, Heng
China, Beijing
Peking University
China, Beijing
Chinese Academy of Sciences
Niu, Jiarui
China, Beijing
Chinese Academy of Sciences
Chen, Ping
China, Beijing
Peking University
Israel, Rehovot
Weizmann Institute of Science Israel
Lee, Kejia
China, Beijing
Peking University
China, Beijing
Chinese Academy of Sciences
Zhu, Weiwei
China, Beijing
Chinese Academy of Sciences
Dong, Subo
China, Beijing
Peking University
Zhang, Bing
United States, Las Vegas
University of Nevada, Las Vegas
Jiang, Jinchen
China, Beijing
Peking University
China, Beijing
Chinese Academy of Sciences
Wang, Bojun
China, Beijing
Peking University
China, Beijing
Chinese Academy of Sciences
Xu, Jiangwei
China, Beijing
Peking University
China, Beijing
Chinese Academy of Sciences
Zhang, Chunfeng
China, Beijing
Peking University
China, Beijing
Chinese Academy of Sciences
Fu, Hai
United States, Iowa City
University of Iowa
Filippenko, Alexei V.
United States, Berkeley
University of California, Berkeley
Peng, Eric W.
China, Beijing
Peking University
Zhou, Dejiang
China, Beijing
Chinese Academy of Sciences
Zhang, Yongkun
China, Beijing
Chinese Academy of Sciences
Wang, Pei
China, Beijing
Chinese Academy of Sciences
Feng, Yi
China, Beijing
Chinese Academy of Sciences
China, Hangzhou
Zhejiang Lab
Brink, Thomas G.
United States, Berkeley
University of California, Berkeley
Li, Dongzi
United States, Pasadena
California Institute of Technology
Lu, Wenbin
United States, Princeton
Princeton University
Yang, Yuanpei
China, Kunming
Yunnan University
Dai, Zigao
China, Hefei
University of Science and Technology of China
Esamdin, Ali
China, Beijing
Chinese Academy of Sciences
Guhathakurta, Puragra
United States, Santa Cruz
University of California, Santa Cruz
Han, Jinlin
China, Beijing
Chinese Academy of Sciences
Hao, Longfei
China, Beijing
Chinese Academy of Sciences
Jiang, Peng
China, Beijing
Chinese Academy of Sciences
Li, Chengkui
China, Beijing
Chinese Academy of Sciences
Li, D. H.
China, Beijing
Chinese Academy of Sciences
China, Guiyang
Guizhou Normal University
Li, Xinqiao
China, Beijing
Chinese Academy of Sciences
Liu, Zhiyong
China, Beijing
Chinese Academy of Sciences
Luo, Rui
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Men, Yunpeng
Germany, Bonn
Max Planck Institute for Radio Astronomy
Niu, Chenghui
China, Beijing
Chinese Academy of Sciences
Qian, Lei
China, Beijing
Chinese Academy of Sciences
Song, Liming
China, Beijing
Chinese Academy of Sciences
Stern, Daniel K.
United States, Pasadena
Jet Propulsion Laboratory
Stockton, Alan N.
United States, Honolulu
University of Hawaiʻi at Mānoa
Wang, Fayin
China, Nanjing
Nanjing University
Wang, Min
China, Beijing
Chinese Academy of Sciences
Wang, Na
China, Beijing
Chinese Academy of Sciences
Wang, Weiyang
China, Beijing
Peking University
Wu, Xuefeng
China, Beijing
Chinese Academy of Sciences
Xiong, Shaoling Lin
China, Beijing
Chinese Academy of Sciences
Xu, Renxin
China, Beijing
Peking University
Yang, Jun
China, Nanjing
Nanjing University
Yao, Rui
China, Beijing
Chinese Academy of Sciences
Yue, Youling
China, Beijing
Chinese Academy of Sciences
Yu, Wenfei
China, Beijing
Chinese Academy of Sciences
Yuan, Jianping
China, Beijing
Chinese Academy of Sciences
Zhang, Binbin
China, Nanjing
Nanjing University
China, Beijing
Ministry of Education of the People's Republic of China
Zhang, Songbo
China, Beijing
Chinese Academy of Sciences
Zhang, Shuangnan
China, Beijing
Chinese Academy of Sciences
Zheng, Weikang
United States, Berkeley
University of California, Berkeley
Zhu, Yan
China, Beijing
Chinese Academy of Sciences
Zou, Jinhang
China, Nanjing
Nanjing University
China, Shijiazhuang
Hebei Normal University
Statistics
Citations: 55
Authors: 57
Affiliations: 20
Identifiers
Doi:
10.1038/s41586-022-05071-8
ISSN:
00280836