A giant glitch in PSR B1757-24.

Details A giant glitch in PSR B1757-24. A giant glitch in PSR B1757-24.

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.281l..14l&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. Vol. 281, No. 1, p. L14 - L16

Astronomy and Astrophysics

Astronomy

16

Pulsars: Individual: Psr 1757-24 -- Stars: Neutron, Pulsars: Period Changes, Pulsars: Neutron Stars

Scientific paper

One of the largest known glitches has been detected in the young pulsar PSR B1757-24. The glitch occurred around MJD 49476 and was characterized by a fractional increase in rotation rate of 2×10-6. It was followed by a small exponential-like relaxation with a time-scale of ≡40 d, together with a longer term recovery. Such large glitches have been seen in only about six other pulsars of the 700 presently known. The size of the glitch and the post-glitch behaviour are similar to those of other pulsars of the same age. In this pulsar, the authors find that about 1.5 per cent of the angular momentum of the pulsar is released to the crust of the neutron star erratically, suggesting that at least this fraction of the moment of inertia of the star is in the form of superfluid neutrons.

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