A Large Glitch in the Crab Pulsar

Na Wang, Xin-Ji Wu, R. N. Manchester, Jin Zhang, A. G. Lyne, Aili Yusup

Abstract


Using a new pulsar timing system at the 25-m radio telescope of Urumqi Astronomical Observatory, we have detected a large glitch in the Crab pulsar which occurred in 2000 July. The size of the glitch is ∆ν/ν ~ 2.4 × 10−8, with a relative increment in frequency derivative ∆ ν/ ν ~ 5 × 10−3. The observing system is introduced and the observed properties of the glitch are discussed.


Keywords


Stars:neutron --- pulsars:general

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Print ISSN: 1674-4527

Online ISSN: 2397-6209