One large glitch in PSR B1737-30 detected with the TMRT
2019-05
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
卷号19期号:5
发表状态已发表
DOI10.1088/1674-4527/19/5/73
摘要One large glitch was detected in PSR B1737-30 using data spanning from MJD 57999 to 58406 obtained with the newly built Shanghai Tian Ma Radio Telescope (TMRT). The glitch took place at the time around MJD 58232.4 when the pulsar underwent an increase in the rotation frequency of Delta nu about 1.38x10(-6) Hz, corresponding to a fractional step change of Delta nu/nu similar to 8.39 x 10(-7). Post-glitch nu gradually decreased to the pre-glitch value. The frequency derivative was observed to undergo a step change of about -9x10(-16) s(-2). Since July 1987, there have been 36 glitches already reported in PSR B1737-30 including this one. According to our analysis, the glitch size distribution is well described by a power law with an index of 1.13. The distribution of the interval between two adjacent glitches (waiting time Delta T) follows a Poisson probability density function. For PSR B1737-30, the interval is prone to be long after a large glitch. However, no correlation is found between glitch size and the interval since the previous glitch.
关键词stars: neutron pulsars: general pulsars: individual: B1737-30
收录类别SCI ; SCIE ; CSCD
语种英语
资助项目National Key R&D Program of China[2018YFA0404602]
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000467595300011
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
WOS关键词PULSAR ; YOUNG ; SUPERFLUIDITY
原始文献类型Article
引用统计
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/40846
专题物质科学与技术学院_博士生
物质科学与技术学院_特聘教授组_沈志强组
物质科学与技术学院_硕士生
通讯作者Liu, Jie
作者单位
1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China
3.Peking Univ, Sch Phys, Beijing 100871, Peoples R China
4.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
6.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
第一作者单位物质科学与技术学院
通讯作者单位物质科学与技术学院
推荐引用方式
GB/T 7714
Liu, Jie,Yan, Zhen,Yuan, Jian-Ping,et al. One large glitch in PSR B1737-30 detected with the TMRT[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2019,19(5).
APA Liu, Jie.,Yan, Zhen.,Yuan, Jian-Ping.,Zhao, Ru-Shuang.,Huang, Zhi-Peng.,...&Shen, Zhi-Qiang.(2019).One large glitch in PSR B1737-30 detected with the TMRT.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,19(5).
MLA Liu, Jie,et al."One large glitch in PSR B1737-30 detected with the TMRT".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 19.5(2019).
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