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Title:
On the Precursor Star of the Pulsar in the Crab Nebula
Authors:
Mdzinarishvili, T.; Dzigvashvili, R.
Publication:
Astrophysics (English translation of Astrofizika), v. 44, Issue 4, p. 463-468 (2001). (Ap Homepage)
Publication Date:
10/2001
Origin:
KLUWER; SPRINGER
DOI:
10.1023/A:1014296704936
Bibliographic Code:
2001Ap.....44..463M

Abstract

The spatial distribution of the youngest pulsars, with a characteristic age of less than 12,000 years, is considered. All the pulsars except for the pulsar in the Crab Nebula lie in groups of young OB stars. It is suggested that the precursor of the Crab pulsar was a rapidly rotating, massive OB star. The group of young massive stars from which the fast-moving star was ejected is indicated. Estimates of the age of the precursor of the Crab pulsar and of the age of the group of young stars from which it was ejected favor this hypothesis. It is concluded that the fast-moving star must have acquired a high velocity due to the dynamical evolution of the young stellar group.
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