Pulsar Nebula and Supernova 1987A

Physics

Scientific paper

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Scientific paper

Relativistic particles emitted by a newly born pulsar in Supernova1987A may have been still kept in a cavity within an inner ejectaresulted from He-core of the progenitor. The shell surrounding thecavity is accelerated by an energy emitted by the pulsar and finallybreaks through the Rayleigh-Tayler instability into filaments such asseen in Crab nebula. Synchrotron radiation confined in the cavity willbe observed either when the shell becomes transparent in 5-10 years orwhen it breaks before that. Magnetic shielding of the high-energyparticles from the surrounding ejecta and their composition will becrucial for a flux estimation of the high-energy gamma-rays and neutrinos.

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