The energetics of adiabatic shocks in stellar collapse

Details The energetics of adiabatic shocks in stellar collapse The energetics of adiabatic shocks in stellar collapse

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...259l..13m&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 259, Aug. 1, 1982, p. L13-L17.

Astronomy and Astrophysics

Astrophysics

18

Adiabatic Conditions, Gravitational Collapse, Kinetic Energy, Shock Wave Propagation, Stellar Evolution, Stellar Mass Ejection, Dissociation, Hydrodynamics, Virial Theorem

Scientific paper

The energetics of shocks from stellar collapse are examined analytically. A general minimal condition is derived for outward shock propagation. Current hydrodynamic studies which indicate that the shock stalls are shown to be consistent with the analytic criteria. The dominant factor behind the failure of the shock is nuclear dissociation. It is shown that dissociation must occur over essentially the whole outer mantle if a respectable shock propagates. This and the results of current hydrodynamic studies then indicate that collapsing iron cores more massive than about 1.3 solar masses do not explode.

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