A neutrino pulsar in SN 1987A?

Details A neutrino pulsar in SN 1987A? A neutrino pulsar in SN 1987A?

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ncimb.105..947f&link_type=abstract

Nuovo Cimento B, Vol. 105, No. 8/9, p. 947 - 953

Physics

Supernova 1987A In Lmc, Supernovae: Neutron Stars, Supernovae: Neutrinos, Supernovae: Pulsars

Scientific paper

The author suggests that the period of the submillisecond optical pulsar in SN 1987A is related to the pulsation period of the neutron star. A recent analysis of the arrival times of the neutrions from the supernova provides significant evidence of pulsed emission with a period equivalent to that of the pulsar. At first sight, an old theoretical model seems to account satisfactorily for this intriguing discovery: a cold, strongly pulsating neutron star created in the implosion of the core of the supernova would produce a pulsed emission of neutrions of the observed energies; most of the neutrions would be emitted during the first few seconds, as observed. However, there is a flaw in this theoretical model: the temperature of a cold, strongly pulsating neutron star should rapidly rise.

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