The slow rise and recovery of the 2019 Crab pulsar glitch
B. Shaw,
M. J. Keith,
A. G. Lyne
et al.
Abstract:We present updated measurements of the Crab pulsar glitch of 2019 July 23 using a dataset of pulse arrival times spanning ∼5 months. On MJD 58687, the pulsar underwent its seventh largest glitch observed to date, characterised by an instantaneous spin-up of ∼1 𝜇Hz. Following the glitch the pulsar's rotation frequency relaxed exponentially towards pre-glitch values over a timescale of approximately one week, resulting in a permanent frequency increment of ∼0.5 𝜇Hz. Due to our semi-continuous monitoring of the… Show more
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