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Related papers: Observed glitches in 8 young pulsars

200 papers

We present evidence for a small glitch in the spin evolution of the millisecond pulsar J0613$-$0200, using the EPTA Data Release 1.0, combined with Jodrell Bank analogue filterbank TOAs recorded with the Lovell telescope and Effelsberg…

Observations of pulsar glitches remain a powerful tool for studying the interior of neutron stars. Many of the observed glitch properties are shown to result from the evolution of glitches in the different manifestations of neutron stars.…

High Energy Astrophysical Phenomena · Physics 2013-04-17 J. O. Urama , B. C. Joshi , A. E. Chukwude

A striking feature of the Vela pulsar (PSR J0835$-$4510) is that it undergoes sudden increases in its spin frequency, known as glitches, with a fractional amplitude on the order of $10^{-6}$ approximately every 900 days. Glitches of smaller…

High Energy Astrophysical Phenomena · Physics 2023-05-17 L. Dunn , A. Melatos , C. M. Espinoza , D. Antonopoulou , R. Dodson

Glitch is supposed to be a useful probe into pulsar's interior, but the underlying physics remains puzzling. The glitch activity may reflect a lower limit of the crustal moment of inertia in conventional neutron star models. Nevertheless,…

High Energy Astrophysical Phenomena · Physics 2020-11-18 Weihua Wang , Xiaoyu Lai , Enping Zhou , Jiguang Lu , Xiaoping Zheng , Renxin Xu

Pulsars are the most numerous class of Galactic gamma-ray sources detected by the Fermi Large Area Telescope (LAT). Young pulsars occasionally experience sudden timing discontinuities called glitches, characterized by rapid changes in…

High Energy Astrophysical Phenomena · Physics 2026-01-08 Giovanni Cozzolongo , Alessio Fiori , Massimiliano Razzano , Pablo M. Saz Parkinson

We report here on new results of the systematic monitoring of southern glitching pulsars at the Argentine Institute of Radioastronomy. In particular, we study in this work the new major glitch in the Vela pulsar (PSR J0835$-$4510) that…

In this paper we report unusual glitches in two young pulsars, PSR J1825-0935 (B1822-09) and PSR J1835-1106. For PSR J1825-0935, a slow glitch characterised by a temporary decrease in the slowdown rate occurred between 2000 December 31 to…

Astrophysics · Physics 2009-11-10 W. Z. Zou , N. Wang , H. X. Wang , R. N. Manchester , X. J. Wu , J. Zhang

We have analyzed 5.5 years of timing observations of 7 ``slowly'' rotating radio pulsars, made with the Westerbork Synthesis Radio Telescope. We present improved timing solutions and 30, mostly small new glitches. The most interesting…

Astrophysics · Physics 2007-05-23 G. H. Janssen , B. W. Stappers

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…

Solar and Stellar Astrophysics · Physics 2015-05-19 Tatiana V. Shabanova

Pulsars show two classes of rotational irregularities that can be used to understand neutron-star interiors and magnetospheres: glitches and timing noise. Here we present an analysis of the Vela pulsar spanning nearly 21 yr of observation…

High Energy Astrophysical Phenomena · Physics 2016-04-27 R. M. Shannon , L. T. Lentati , M. Kerr , S. Johnston , G. Hobbs , R. N. Manchester

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…

Astrophysics · Physics 2007-05-23 E. V. Gotthelf , W. Zhang , F. E. Marshall , J. Middleditch , Q. D. Wang

The close correlation observed between emission state and spin-down rate change of pulsars has many implications both for the magnetospheric physics and the neutron star interior. The middle-aged pulsar PSR J0738$-$4042, which had been…

High Energy Astrophysical Phenomena · Physics 2022-11-23 S. Q. Zhou , E. Gügercinoğlu , J. P. Yuan , M. Y. Ge , C. Yu , C. M. Zhang , J. Zhang , Z. W. Feng , C. Q. Ye

Pulsar glitches are unresolved increments of the rotation rate that sometimes trigger an enhancement of the spin-down rate. On occasions, the augmented spin-down decays gradually in an exponential manner, particularly after the largest…

High Energy Astrophysical Phenomena · Physics 2026-02-04 E. Zubieta , C. M. Espinoza , D. Antonopoulou , W. C. G. Ho , L. Kuiper , F. García , S. del Palacio

We report on a timing analysis of archival observations of the Anomalous X-ray Pulsar 1RXSJ170849.0-400910 made with the RXTE Proportional Counter Array. We detect a new large glitch (Delta nu / nu ~ 3 x 10^-6) which occurred between 2001…

Astrophysics · Physics 2009-11-10 S. Dall'Osso , G. L. Israel , L. Stella , A. Possenti , E. Perozzi

While pulsars possess exceptional rotational stability, large scale timing studies have revealed at least two distinct types of irregularities in their rotation: red timing noise and glitches. Using modern Bayesian techniques, we…

A detailed observation of microglitch phenomenon in relatively slow radio pulsars is presented. Our analyses for these small amplitude jumps in pulse rotation frequency ($\nu$) and/or spin down rate ($\dot{\nu}$) combine the traditional…

Solar and Stellar Astrophysics · Physics 2015-05-18 Augustine E. Chukwude , Johnson O. Urama

Pulsars are rapidly spinning and highly magnetized neutron stars, with highly stable rotational period and gradual spin-down over a long timescale due to the loss of radiation. Glitches refer to the events that suddenly increase the…

High Energy Astrophysical Phenomena · Physics 2016-07-06 C. W. Ng , J. Takata , K. S. Cheng

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…

High Energy Astrophysical Phenomena · Physics 2019-08-09 Weihua Wang , Xiaoping Zheng

We have analyzed 5.5 years of timing observations of 7 'slowly' rotating radio pulsars, made with the Westerbork Synthesis Radio Telescope. We present improved timing solutions and 30, mostly small, new glitches. Particularly interesting…

Astrophysics · Physics 2009-11-11 G. H. Janssen , B. W. Stappers

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…