Implications of the Discovery of Millisecond Pulsar in SN 1987A

Details Implications of the Discovery of Millisecond Pulsar in SN 1987A Implications of the Discovery of Millisecond Pulsar in SN 1987A

2000-11-20

arxiv.org/abs/astro-ph/0011363v3

Prog.Theor.Phys. 105 (2001) 429-436

Astronomy and Astrophysics

Astrophysics

8 pages. Accepted by Progress of Theoretical Physics after minor revisions

Scientific paper

10.1143/PTP.105.429

From the observation of a millisecond pulsar in SN 1987A, the following implications are obtained. 1) The pulsar spindown in SN 1987A is caused by radiating gravitational waves rather than by magnetic dipole radiation and/or relativistic pulsar winds. 2) A mildly deformed shock wave would be formed at the core-collapse and explosion in SN 1987A, which is consistent with the conclusion given in Nagataki (2000). 3) The gravitational waves from the pulsar should be detected in several years using a Fabry-Perot-Michelson interferometer as the gravitational detector, such as LIGO and TAMA. 4) The neutrino oscillation model is not a promising model for the explanation of the kick velocity of the pulsar in SN 1987A. The hydrodynamical instability model is more favored.

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