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相关论文: The largest glitch observed in the Crab pulsar

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We present updated measurements of the Crab pulsar glitch of 2019 July 23 using a dataset of pulse arrival times spanning $\sim$5 months. On MJD 58687, the pulsar underwent its seventh largest glitch observed to date, characterised by an…

高能天体物理现象 · 物理学 2021-04-21 B. Shaw , M. J. Keith , A. G. Lyne , M. B. Mickaliger , B. W. Stappers , J. D. Turner , P. Weltevrede

From 2000 to 2010, monitoring of radio emission from the Crab pulsar at Xinjiang Observatory detected a total of nine glitches. The occurrence of glitches appears to be a random process as described by previous researches. A persistent…

高能天体物理现象 · 物理学 2012-03-21 Jingbo Wang , Na Wang , Hao Tong , Jianping Yuan

Glitches correspond to sudden jumps of rotation frequency ($\nu$) and its derivative ($\dot{\nu}$) of pulsars, the origin of which remains not well understood yet, partly because the jump processes of most glitches are not well…

高能天体物理现象 · 物理学 2020-06-24 M. Y. Ge , S. N. Zhang , F. J. Lu , T. P. Li , J. P. Yuan , X. P. Zheng , Y. Huang , S. J. Zheng , Y. P. Chen , Z. Chang , Y. L. Tuo , Q. Cheng , C. Güngör , L. M. Song , Y. P. Xu , X. L. Cao , Y. Chen , C. Z. Liu , S. Zhang , J. L. Qu , Q. C. Bu , C. Cai , G. Chen , L. Chen , M. Z. Chen , T. X. Chen , Y. B. Chen , W. Cui , W. W. Cui , J. K. Deng , Y. W. Dong , Y. Y. Du , M. X. Fu , G. H. Gao , H. Gao , M. Gao , Y. D. Gu , J. Guan , C. C. Guo , D. W. Han , L. F. Hao , J. Huo , S. M. Jia , L. H. Jiang , W. C. Jiang , C. J. Jin , J. Jin , Y. J. Jin , L. D. Kong , B. Li , D. Li , C. K. Li , G. Li , M. S. Li , W. Li , X. Li , X. B. Li , X. F. Li , Y. G. Li , Z. W. Li , Z. X. Li , Z. Y. Liu , X. H. Liang , J. Y. Liao , G. Q. Liu , H. W. Liu , X. J. Liu , Y. N. Liu , B. Lu , X. F. Lu , Q. Luo , T. Luo , X. Ma , B. Meng , Y. Nang , J. Y. Nie , G. Ou , N. Sai , R. C. Shang , X. Y. Song , L. Sun , Y. Tan , L. Tao , C. Wang , G. F. Wang , J. Wang , J. B. Wang , M. Wang , N. Wang , W. S. Wang , Y. D. Wang , Y. S. Wang , X. Y. Wen , Z. G. Wen , B. B. Wu , B. Y. Wu , M. Wu , G. C. Xiao , S. Xiao , S. L. Xiong , Y. H. Xu , W. M. Yan , J. W. Yang , S. Yang , Y. J. Yang , Y. J. Yang , Q. B. Yi , Q. Q. Yin , Y. You , Y. L. Yue , A. M. Zhang , C. M. Zhang , D. P. Zhang , F. Zhang , H. M. Zhang , J. Zhang , T. Zhang , W. C. Zhang , W. Zhang , W. Z. Zhang , Y. Zhang , Y. F. Zhang , Y. J. Zhang , Y. Zhang , Z. Zhang , Z. Zhang , Z. L. Zhang , H. S. Zhao , X. F. Zhao , W. Zheng , D. K. Zhou , J. F. Zhou , X. Zhou , R. L. Zhuang , Y. X. Zhu , Y. Zhu

We present analysis of the rate of giant radio pulses (GPs) emission from the Crab pulsar (B0531+21). Results of our 9 years daily observations with the Large Phased Array radio telescope of Pushchino Radio Astronomy Observatory at 111 MHz…

高能天体物理现象 · 物理学 2020-05-19 A. N. Kazantsev , V. A. Potapov , M. S. Pshirkov , B. Ya. Losovskii

The abrupt change in the pulse period of a pulsar is called a pulsar glitch. In this paper, we present eleven pulsar glitches detected using the Ooty Radio Telescope (ORT) and the upgraded Giant Metrewave Radio Telescope (uGMRT) in high…

Seven years of pulse time-of-arrival measurements have been collected from observations of the young pulsar PSR B2334+61 using the Nanshan radio telescope of Urumqi Observatory. A phase-connected solution has been obtained over the whole…

高能天体物理现象 · 物理学 2015-05-19 J. P. Yuan , R. N. Manchester , N. Wang , Xia Zhou , Z. Y. Liu , Z. F. Gao

The Crab pulsar displayed its largest glitch on 2017 November. An extended initial spin-up phase of this largest glitch was resolved, for the first time with high cadence of observations both in radio and X-rays on a time-scale of 2 days. A…

高能天体物理现象 · 物理学 2019-07-26 Erbil Gügercinoğlu , M. Ali Alpar

We are undertaking an extensive X-ray monitoring campaign of the two Crab-like pulsars in the Large Magellanic Clouds, PSR B0540-69 and PSR J0537-6910. We present our current phase-connected timing analysis derived from a set of 50 pointed…

天体物理学 · 物理学 2007-05-23 E. V. Gotthelf , W. Zhang , F. E. Marshall , J. Middleditch , Q. D. Wang

Pulsar glitches are sudden increase in their spin frequency, in most cases followed by the long timescale recovery process. As of this writing, about 546 glitches have been reported in 188 pulsars, the Crab pulsar is a special one with…

高能天体物理现象 · 物理学 2019-08-09 Weihua Wang , Xiaoping Zheng

From 1995 to 1999, daily monitoring of the radio emission from the Crab pulsar at the Green Bank and Jodrell Bank observatories revealed a series of six sudden rotational spinups or glitches, doubling the number of glitches observed for…

天体物理学 · 物理学 2009-10-31 Tony Wong , D. C. Backer , A. G. Lyne

The 30-Hz rotation rate of the Crab pulsar has been monitored at Jodrell Bank Observatory since 1984 and by other observatories before then. Since 1968, the rotation rate has decreased by about $0.5$\,Hz, interrupted only by sporadic and…

高能天体物理现象 · 物理学 2014-11-27 Andrew Lyne , Christine Jordan , Francis Graham-Smith , Cristobal Espinoza , Ben Stappers , Patrick Weltrvrede

Context: The rotation history of the Crab Pulsar is well described by (1) a rotation frequency $\nu$ and a slowdown model that is specified by its first two time derivatives $\dot \nu$ and $\ddot \nu$, known as the secular slowdown model,…

高能天体物理现象 · 物理学 2017-01-17 M. Vivekanand

We report on more than 7 years of monitoring of PSR J0537-6910, the 16 ms pulsar in the Large Magellanic Cloud, using data acquired with the RXTE. During this campaign the pulsar experienced 23 sudden increases in frequency (``glitches'')…

天体物理学 · 物理学 2008-11-26 John Middleditch , Francis E. Marshall , Q. Daniel Wang , Eric V. Gotthelf , William Zhang

We report the detection of a large glitch in the pulsar B0919+06 (J0922+0638). The glitch occurred in 2009 November 5 (MJD 55140) and was characterized by a fractional increase in the rotation frequency of Deltanu/nu=1.3x10^{-6}. A large…

太阳与恒星天体物理 · 物理学 2015-05-19 Tatiana V. Shabanova

It was previously believed that, the long-term persistent increase in the spin-down rate of the Crab pulsar following a glitch is direct evidence of a starquake-induced glitch or at least related to a starquake. Using radio data covering…

高能天体物理现象 · 物理学 2025-04-01 Xiao-Ping Zheng , Wei-Hua Wang , Chun Huang , Jian-Ping Yuan , Sheng-Jie Yuan

Context: The Crab pulsar underwent its largest timing glitch on 2017 Nov 8. The event was discovered at radio wavelengths, and was followed at soft X-ray energies by observatories, such as XPNAV and NICER. aims: This work aims to compare…

高能天体物理现象 · 物理学 2020-01-15 M. Vivekanand

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…

高能天体物理现象 · 物理学 2019-05-15 Jie Liu , Zhen Yan , Jian-Ping Yuan , Ru-Shuang Zhao , Zhi-Peng Huang , Xin-Ji Wu , Na Wang , Zhi-Qiang Shen

A glitch of a pulsar is known as a sudden increase in the spin frequency and spin-down rate (frequency time derivative), and it can be caused by a sudden rel\ ease of the stress built up in the solid crust of the star or pinned vortices in…

高能天体物理现象 · 物理学 2017-06-28 J. Zhao , C. W. Ng , L. C. C. Lin , J. Takata , Y. Cai , C. P. Hu , D. C. C. Yen , P. H. T. Tam , C. Y. Hui , A. K. H. Kong , K. S. Cheng

The Crab pulsar experienced two relatively small glitches separated by only 20 days in September and October 2025. IXPE observed the source twice, with delay times since the glitch epoch ranging between 35 and 75 days, depending on the…

About 76 glitches in 25 pulsars have been reported to date. Most glitches are `giant', with fractional increases of frequency dnu_0/nu_0 ~ 10^{-6}. 25 glitches were analysed and presented by Shemar & Lyne (1996) who detected them mainly at…

天体物理学 · 物理学 2009-11-07 A. Krawczyk , A. G. Lyne , J. A. Gil , B. C. Joshi
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