Abstract
About 76 glitches in 25 pulsars have been reported to date. Most glitches are ‘giant’, with fractional increases of frequency Δν 0 /ν 0 ∼ 10 −6 . 25 glitches were analysed and presented by Shemar and Lyne, who detected them mainly at Jodrell Bank during the monitoring of a sample of 279 pulsars in a regular timing programme up to MJD 49500. This paper is a continuation of their work up to MJD 50500. We present the detection and analysis of a further 14 glitches in 9 pulsars, 6 of which have glitched for the first time since monitoring had started. Eleven of these glitches are small (Δν 0 /ν 0 ∼ 10 −9 ) and below the completeness threshold of Shemar & Lyne. We report a giant glitch in PSR B1930+22, the second largest reported hitherto, with a Δν 0 /ν 0 = 4.5 × 10 −6 . We also report four recent glitches in PSR B1737−30 which continues to exhibit frequent glitches. Few of these pulsars show any recovery after the glitch.
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