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Rotating vector model for magnetars
Tong, H.1; Wang, P. F.2; Wang, H. G.1; Yan, Z.3
2021-03-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume502Issue:1Pages:1549-1556
AbstractThe modification of the rotating vector model in the case of magnetars are calculated. Magnetars may have twisted magnetic field compared with normal pulsars. The polarization position angle of magnetars will change in the case of a twisted magnetic field. For a twisted dipole field, we found that the position angle will change both vertically and horizontally. During the untwisting process of the magnetar magnetosphere, the modifications of the position angle will evolve with time monotonously. This may explain the evolution of the position angle in magnetar PSR J1622-4950 and XTE J1810-197. The relation between the emission point and the line of sight will also change. We suggest every magnetospheric models of magnetars also calculate the corresponding changes of position angle in their models. Order of magnitude estimation formula for doing this is given. This opens the possibility to extract the magnetic field geometry of magnetars from their radio polarization observations.
Keywordstars: magnetars pulsars: general pulsars: individual (PSR J1622-4950, XTE J1810-197)
Funding OrganizationMinistry of Science and Technology of the People's Republic of China ; Ministry of Science and Technology of the People's Republic of China ; NSFC ; NSFC ; Ministry of Science and Technology of the People's Republic of China ; Ministry of Science and Technology of the People's Republic of China ; NSFC ; NSFC ; Ministry of Science and Technology of the People's Republic of China ; Ministry of Science and Technology of the People's Republic of China ; NSFC ; NSFC ; Ministry of Science and Technology of the People's Republic of China ; Ministry of Science and Technology of the People's Republic of China ; NSFC ; NSFC
DOI10.1093/mnras/stab108
WOS KeywordPOLARIZED RADIO-EMISSION ; PSR J1622-4950 ; DISCOVERY ; GEOMETRY ; SWIFT
Language英语
Funding ProjectMinistry of Science and Technology of the People's Republic of China[2020SKA0120300] ; NSFC[11773008]
Funding OrganizationMinistry of Science and Technology of the People's Republic of China ; Ministry of Science and Technology of the People's Republic of China ; NSFC ; NSFC ; Ministry of Science and Technology of the People's Republic of China ; Ministry of Science and Technology of the People's Republic of China ; NSFC ; NSFC ; Ministry of Science and Technology of the People's Republic of China ; Ministry of Science and Technology of the People's Republic of China ; NSFC ; NSFC ; Ministry of Science and Technology of the People's Republic of China ; Ministry of Science and Technology of the People's Republic of China ; NSFC ; NSFC
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000649423200103
PublisherOXFORD UNIV PRESS
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/77074
Collection中国科学院国家天文台
Corresponding AuthorTong, H.
Affiliation1.Guangzhou Univ, Sch Phys & Mat Sci, Guangzhou 510006, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, A20 Datun Rd, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Tong, H.,Wang, P. F.,Wang, H. G.,et al. Rotating vector model for magnetars[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2021,502(1):1549-1556.
APA Tong, H.,Wang, P. F.,Wang, H. G.,&Yan, Z..(2021).Rotating vector model for magnetars.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,502(1),1549-1556.
MLA Tong, H.,et al."Rotating vector model for magnetars".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 502.1(2021):1549-1556.
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