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The spin-down state change and mode change associated with glitch activity of PSR B2035+36
Kou, F. F.1,2; Yuan, J. P.1,3; Wang, N.1,3; Yan, W. M.1; Dang, S. J.1,2
2018-07-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume478Issue:1Pages:L24-L28
Contribution Rank1
AbstractWe presented timing results of PSR B2035+36 using similar to 9-yr observations with the Nanshan 25-m radio telescope. PSR B2035+ 36 was reported to exhibit significant changes in pulse profile correlated with spin-down state variations. We found that the pulsar underwent a glitch with a jump in frequency of Delta nu similar to 12.4(5) nHz around MJD 52950. Unusually, the spin-down rate increased persistently over 800 d after the glitch, and the average spin-down rate postglitch was about 9.6 per cent larger than that pre-glitch. After the glitch activity, the pulse profile became narrower and the pulsar began to switch between two emission modes, with pulse widths (W-50mean) of 8.5(7)degrees and 3.7(3)degrees, respectively. In addition to that, the relatively narrow pulse profile gradually became dominant. All of the observations indicate that there should be a connection between magnetospheric behaviour and glitch activity. We discuss one possibility of magnetosphere fluctuation triggered by the glitch event.
Keywordstars: neutron pulsar: general pulsars: individual:(PSR B2035+36)
DOI10.1093/mnrasl/sly068
Indexed BySCI
Language英语
WOS KeywordPULSAR-TIMING PACKAGE ; NEUTRON-STARS ; EVOLUTION ; TEMPO2
Funding ProjectNational Natural Science Foundation of China[U1731238] ; National Basic Research Program of China grants 973 Programs[2015CB857100] ; National Key Research and Development Program of China[2016YFA0400800] ; National Key Research and Development Program of China[2017YFA0402602] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XD23010200] ; West Light Foundation of CAS[XBBS201422] ; National Natural Science Foundation of China[U1631106]
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000450777200005
PublisherOXFORD UNIV PRESS
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/2262
Collection射电天文研究室_脉冲星研究团组
射电天文研究室
Corresponding AuthorYuan, J. P.
Affiliation1.Chinese Acad Sci, Xinjiang Astron Observ, 150 Sci 1 St, Urumqi 830011, Xinjiang, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
First Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Corresponding Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Kou, F. F.,Yuan, J. P.,Wang, N.,et al. The spin-down state change and mode change associated with glitch activity of PSR B2035+36[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2018,478(1):L24-L28.
APA Kou, F. F.,Yuan, J. P.,Wang, N.,Yan, W. M.,&Dang, S. J..(2018).The spin-down state change and mode change associated with glitch activity of PSR B2035+36.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,478(1),L24-L28.
MLA Kou, F. F.,et al."The spin-down state change and mode change associated with glitch activity of PSR B2035+36".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 478.1(2018):L24-L28.
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