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On the magnetoionic environments of fast radio bursts
Wang, Wei-Yang1,2,3,4; Zhang, Bing5; Chen, Xuelei1,2,6; Xu, Renxin3,4,7
2020-11-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume499Issue:1Pages:355-361
AbstractObservations of the Faraday rotation measure, combined with the dispersion measure, can be used to infer the magnetoionic environment of a radio source. We investigate the magnetoionic environments of fast radio bursts (FRBs) by deriving their estimated average magnetic field strengths along the line of sight < B-11 > in their host galaxies and comparing them with those of Galactic pulsars and magnetars. We find that for those FRBs with RM measurements, the mean < B-11 > are 1.77(-1.48)(+9.01) mu G and 1.74(-1.55)(+14.82) mu G using two different methods, which is slightly larger but not inconsistent with the distribution of Galactic pulsars, 1.00(-0.60)(+1.51) mu G. Only six Galactic magnetars have estimated < B-11 >. Excluding PSR J1745-2900 that has an anomalously high value due to its proximity with the Galactic Centre, the other five sources have amean value of 1.70 mu G, which is statistically consistent with the < B-11 > distributions of both Galactic pulsars and FRBs. There is no apparent trend of evolution of magnetar < B-11 > as a function of age or surface magnetic field strength. Galactic pulsars and magnetars close to the Galactic Centre have relatively larger < B-11 > values than other pulsars/magnetars. We discuss the implications of these results for the magnetoionic environments of FRB 121102 within the context of magnetar model and the model invoking a supermassive black hole, and for the origin of FRBs in general.
Keywordstars: neutron pulsars: general fast radio bursts
Funding OrganizationNSFC ; NSFC ; CAS grants ; CAS grants ; MoST ; MoST ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Priority Research Program of CAS grant ; Strategic Priority Research Program of CAS grant ; NSFC ; NSFC ; CAS grants ; CAS grants ; MoST ; MoST ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Priority Research Program of CAS grant ; Strategic Priority Research Program of CAS grant ; NSFC ; NSFC ; CAS grants ; CAS grants ; MoST ; MoST ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Priority Research Program of CAS grant ; Strategic Priority Research Program of CAS grant ; NSFC ; NSFC ; CAS grants ; CAS grants ; MoST ; MoST ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Priority Research Program of CAS grant ; Strategic Priority Research Program of CAS grant
DOI10.1093/mnras/staa2693
WOS KeywordPULSAR ROTATION MEASURES ; MAGNETIC-FIELD ; HOST GALAXY ; EMISSION
Language英语
Funding ProjectNSFC[11673002] ; NSFC[U1531243] ; NSFC[11633004] ; NSFC[11653003] ; CAS grants[QYZDJ-SSW-SLH017] ; CAS grants[CAS XDB 23040100] ; MoST[2018YFE0120800] ; MoST[2016YFE0100300] ; National Key Research and Development Program of China[2017YFA0402602] ; Strategic Priority Research Program of CAS grant[XDB23010200]
Funding OrganizationNSFC ; NSFC ; CAS grants ; CAS grants ; MoST ; MoST ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Priority Research Program of CAS grant ; Strategic Priority Research Program of CAS grant ; NSFC ; NSFC ; CAS grants ; CAS grants ; MoST ; MoST ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Priority Research Program of CAS grant ; Strategic Priority Research Program of CAS grant ; NSFC ; NSFC ; CAS grants ; CAS grants ; MoST ; MoST ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Priority Research Program of CAS grant ; Strategic Priority Research Program of CAS grant ; NSFC ; NSFC ; CAS grants ; CAS grants ; MoST ; MoST ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Priority Research Program of CAS grant ; Strategic Priority Research Program of CAS grant
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000587761200024
PublisherOXFORD UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/80740
Collection中国科学院国家天文台
Corresponding AuthorZhang, Bing; Chen, Xuelei
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Key Lab Computat Astrophys, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
3.Peking Univ, Sch Phys, Beijing 100871, Peoples R China
4.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
5.Univ Nevada, Dept Phys & Astm, Las Vegas, NV 89154 USA
6.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
7.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Wang, Wei-Yang,Zhang, Bing,Chen, Xuelei,et al. On the magnetoionic environments of fast radio bursts[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2020,499(1):355-361.
APA Wang, Wei-Yang,Zhang, Bing,Chen, Xuelei,&Xu, Renxin.(2020).On the magnetoionic environments of fast radio bursts.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,499(1),355-361.
MLA Wang, Wei-Yang,et al."On the magnetoionic environments of fast radio bursts".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 499.1(2020):355-361.
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