Possible mechanism for the explosion of a rotating star as a supernova

Details Possible mechanism for the explosion of a rotating star as a supernova Possible mechanism for the explosion of a rotating star as a supernova

Oct 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975azh....52..905z&link_type=abstract

Astronomicheskii Zhurnal, vol. 52, Sept.-Oct. 1975, p. 905-910. In Russian.

Astronomy and Astrophysics

Astronomy

Stellar Rotation, Supergiant Stars, Supernovae, Astronomical Models, Energy Conversion, Light Curve, Shock Wave Propagation, Stellar Atmospheres, Stellar Structure

Scientific paper

On the basis of results of evolutionary calculations for rotating massive stars, a mechanism of a supernova explosion is proposed which is not connected with nuclear detonation. The explosion occurs as a result of a transformation of the kinetic rotational energy of a red supergiant's core into the energy of a shock wave. By assuming that the core of a red supergiant forms a Jacobi ellipsoid, the velocity of the slowly rotating atmosphere induced by rotation of the core, which is near the edge of rotational-instability formation, is determined. The motion of the inner parts of the atmosphere is supersonic and causes a shock wave to be formed. The shock is propagated into the extended atmosphere of the supergiant. This explains the observed light curves of supernovae.

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