Abstract
The prevailing number of supernovae have come from the collapse of iron stellar cores. The 1D-hydrodynamic theory has failed, for more than 20 years of its development, to find an effective mechanism of the supernova explosion, despite the fact that it describes the characteristics neutrino pulse satisfactorily. In the present paper a scenario of rotational nature of collapsing supernova explosion is formulated and discussed.
In the first stage of the collapse, a fast rotating protoneutron star is formed (quasi-1D-hydrodynamic model by Imshennik and Nadyozhin 1977, 1992). Then in the second stage it fragmentations into a short-lived neutron binary star, which results in an inevitable supernova-scale explosion of the low-mass component: energy release is just about ∼ 1051 ergs. The important effects of fragmentation, gravitational radiation, mass transfer and the explosion are investigated by both analytical and numerical methods (Aksenov and Imshennik, 1994; Imshennik and Popov, 1994; Aksenov, Blinnikov, and Imshennik, 1994, in press). A comparison of the proposed scenario with the explosion of SN 1987A is made.
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Imshennik, V.S. Explosion mechanism in supernovae collapse. Space Sci Rev 74, 325–334 (1995). https://doi.org/10.1007/BF00751418
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DOI: https://doi.org/10.1007/BF00751418