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Prog. Theor. Phys. Vol. 81 No. 5 (1989) pp. 997-1005

[ Full Text PDF : FREE ACCESS (555K) ]

Implications of the Discovery of Sub-Millisecond Pulsar in SN1987A

Katsuhiko Sato and Hideyuki Suzuki

Department of Physics, University of Tokyo, Tokyo 113

(Received March 1, 1989)

Abstract:

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 M⊙ 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.


URL : http://ptp.ipap.jp/link?PTP/81/997/
DOI : 10.1143/PTP.81.997

[ Full Text PDF : FREE ACCESS (555K) ] Citation:

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 83 No. 3 (1990) pp. 499-521 :
    Static and Dynamical Properties of Neutron Stars with Combined π0-πc Condensation
    Takumi Muto and Toshitaka Tatsumi
  2. Progress of Theoretical Physics Vol. 85 No. 2 (1991) pp. 175-180 :
    Effect of Pion Condensation on Keplerian Angular Frequency of Rotating Neutron Stars
    Tatsuyuki Takatsuka
  3. Progress of Theoretical Physics Supplement No.112 (1993) pp. 221-275 :
    Chapter VIII. Implications of Various Hadron Phases to Neutron Star Phenomena
    Takumi Muto, Tatsuyuki Takatsuka, Ryozo Tamagaki and Toshitaka Tatsumi

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