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Magnetar outburst and spin-down glitch
Tong, H.1; Huang, L.2,3,4
2020-09-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume497Issue:3Pages:2680-2687
AbstractThe outburst and spin-down glitch of magnetars are modelled from the magnetospheric point of view. We try to discuss the following four questions: (1) Which pulsar on the period and period-derivative diagram are more likely to show magnetar outburst? (2) Which outburst will make the glitch that triggered the outburst to become a spin-down glitch? (3) Can we model the outburst and spin-down glitch in PSR J1119-6127 simultaneously? (4) Why the torque variation is delayed compared with the peak of the X-ray luminosity in 1E 1048.1-5937 and PSR J1119-6127? It is found that both the global and local twisted magnetic field will affect the radiation and timing behaviours of magnetars. Especially, the delay of torque variations may due to the combined effect of increasing twist in the j-bundle and untwisting of the global magnetosphere. A toy model is built for magnetar outburst and torque variations. It can catch the general trend of magnetar outburst: decaying flux, shrinking hotspot, and torque variations.
Keywordstars: magnetars pulsars: general pulsars: individual: (4U 0142+61, PSR J1119-6127, 1E 1048.1-5937)
Funding OrganizationNSFC ; NSFC ; Research Program of Fundamental and Frontier Sciences, CAS ; Research Program of Fundamental and Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; Research Program of Fundamental and Frontier Sciences, CAS ; Research Program of Fundamental and Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; Research Program of Fundamental and Frontier Sciences, CAS ; Research Program of Fundamental and Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; Research Program of Fundamental and Frontier Sciences, CAS ; Research Program of Fundamental and Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS
DOI10.1093/mnras/staa2163
WOS KeywordSOFT GAMMA REPEATERS ; NEUTRON-STARS ; X-RAY ; ROTATIONAL EVOLUTION ; TIMING BEHAVIOR ; PULSAR ; EMISSION ; FIELD ; MAGNETOSPHERES ; FREQUENCY
Language英语
Funding ProjectNSFC[11933007] ; Research Program of Fundamental and Frontier Sciences, CAS[ZDBS-LY-SLH011] ; Key Research Program of Frontier Sciences, CAS[QYZDJ-SSW-SLH057]
Funding OrganizationNSFC ; NSFC ; Research Program of Fundamental and Frontier Sciences, CAS ; Research Program of Fundamental and Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; Research Program of Fundamental and Frontier Sciences, CAS ; Research Program of Fundamental and Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; Research Program of Fundamental and Frontier Sciences, CAS ; Research Program of Fundamental and Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; NSFC ; NSFC ; Research Program of Fundamental and Frontier Sciences, CAS ; Research Program of Fundamental and Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000577137200015
PublisherOXFORD UNIV PRESS
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/81980
Collection中国科学院国家天文台
Corresponding AuthorTong, H.
Affiliation1.Guangzhou Univ, Sch Phys & Elect Engn, Guangzhou 510006, Peoples R China
2.Chinese Acad Sci, Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China
3.Chinese Acad Sci, Shanghai Astron Observ, Key Lab Res Galaxies & Cosmol, Shanghai 200030, Peoples R China
4.Univ Chinese Acad Sci, 19A Yuquanlu, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Tong, H.,Huang, L.. Magnetar outburst and spin-down glitch[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2020,497(3):2680-2687.
APA Tong, H.,&Huang, L..(2020).Magnetar outburst and spin-down glitch.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,497(3),2680-2687.
MLA Tong, H.,et al."Magnetar outburst and spin-down glitch".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 497.3(2020):2680-2687.
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