Old and new neutron stars

Details Old and new neutron stars Old and new neutron stars

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984stin...8521085r&link_type=abstract

Presented at the Cornell Symp. on New Directions in Astrophysics, Ithaca, N.Y., 3 Oct. 1984

Astronomy and Astrophysics

Astronomy

Crab Nebula, Gamma Ray Bursts, Neutron Stars, Stellar Evolution, Stellar Winds, Decay Rates, Magnetic Fields, Radio Sources (Astronomy), Supernovae

Scientific paper

The youngest known radiopulsar in the rapidly spinning magnetized neutron star which powers the Crab Nebula is the remnant of the historical supernova explosion of 1054 AD. Similar neutron stars are probably born at least every few hundred years, but are less frequent than galactic supernova explosions. They are initially sources of extreme relativistic electric and/or positron winds (approx. 10(38)s of 10(12) eV leptons) which greatly decrease as the neutron stars spin down to become mature pulsars. After several million years there neutron stars are no longer observed as radiopulsars, perhaps because of large magnetic field decay. However, a substantial fraction of the isotropically distributed (GAMMA)-ray burst detected several times per week at the Earth. Some old neutron stars are spun up by accretion from companions to be resurrected as rapidly spinning low magnetic field radiopulsars.

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