中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
The spin-down state change and mode change associated with glitch activity of PSR B2035+36

文献类型:期刊论文

作者Yan, W. M.3; Dang, S. J.1,3; Kou, F. F.1,3; Yuan, J. P.2,3; Wang, N.2,3
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期2018-07-01
卷号478期号:1页码:L24-L28
关键词stars: neutron pulsar: general pulsars: individual:(PSR B2035+36)
ISSN号0035-8711
DOI10.1093/mnrasl/sly068
产权排序1
英文摘要We 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.
WOS关键词PULSAR-TIMING PACKAGE ; NEUTRON-STARS ; EVOLUTION ; TEMPO2
资助项目National 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研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000450777200005
出版者OXFORD UNIV PRESS
源URL[http://ir.xao.ac.cn/handle/45760611-7/2261]  
专题脉冲星研究团组
新疆天文台_110米口径全可动射电望远镜(SmART)_110米大口径全可动射电望远镜关键技术研究(973项目)_课题4:反射面高精度快速测量与主动面实时闭环修正
射电天文研究室_利用南山26米射电望远镜观测数据的文章
通讯作者Yuan, J. P.
作者单位1.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
3.Chinese Acad Sci, Xinjiang Astron Observ, 150 Sci 1 St, Urumqi 830011, Xinjiang, Peoples R China
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Yan, W. M.,Dang, S. J.,Kou, F. F.,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 Yan, W. M.,Dang, S. J.,Kou, F. F.,Yuan, J. P.,&Wang, N..(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 Yan, W. M.,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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