Physics
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvl..59..736b&link_type=abstract
Physical Review Letters (ISSN 0031-9007), vol. 59, Aug. 10, 1987, p. 736-739.
Physics
55
Explosions, Light Curve, Stellar Evolution, Stellar Mass, Supernova 1987A, Supernovae, Equations Of State, Heavy Ions, Ionic Collisions, Magellanic Clouds, Shock Waves, Very Long Base Interferometry
Scientific paper
Evidence is cited that supernova 1987A involved a large explosion energy, of about (2-3) x 10 to the 51st ergs. Such large explosion energy has not come from delayed shocks to date, nor is it likely to. Improved physics in the presupernova evolution, especially the inclusion of Coulomb interactions, has brought the iron-core mass down by less than about 0.1 solar mass in the 13 solar mass star which has recently been evolved. It is found that supernova explosion energies up to 3 x 10 to the 51st ergs can be obtained by the prompt-explosion mechanism, provided that a somewhat soft equation of state is used at supranuclear densities.
Baron Eddie
Bethe Hans A.
Brown Gerald E.
Cooperstein Jerry
Kahana S.
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