Implications of the Discovery of Sub-Millisecond Pulsar in SN1987A

Details Implications of the Discovery of Sub-Millisecond Pulsar in SN1987A Implications of the Discovery of Sub-Millisecond Pulsar in SN1987A

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pthph..81..997s&link_type=abstract

Progress of Theoretical Physics, Vol. 81, No. 5, pp. 997-1005

Physics

10

Scientific paper

From the observation of the sub-millisecond pulsar in SN1987A the following implications are obtained. 1) The stiff equation of state of neutron star matter, such as Mean Field, Tensor Interaction, Bethe and Johnson I are ruled out. 2) The pulsar has a possibility to collapse into a black hole by spin-down. 3) Although the sinusoidal modulation is explained by the existence of a 10(-3) Msun companion object, it seems hard to account for such an object in the scenario of the supernova explosion. We estimate the magnetic field, ellipticity and the mass of the neutron star and also the period of glitches.

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