Supernovae Explosions Induced by Pair-Production Instability

Details Supernovae Explosions Induced by Pair-Production Instability Supernovae Explosions Induced by Pair-Production Instability

Aug 1968

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1968ap%26ss...2...96f&link_type=abstract

Astrophysics and Space Science, Volume 2, Issue 1, pp.96-114

Astronomy and Astrophysics

Astrophysics

74

Scientific paper

Stars with a core mass greater than about 30 M &sun; become dynamically unstable due to electron-positron pair production when their central temperature reaches 1.5 2.0×109 oK. The colapse and subsequent explosion of stars with core masses of 45, 52, and 60 M &sun; is calculated. The range of the final velocity of expansion (3400 8500 km/sec) and of the mass ejected (1 40 M &sun;) is comparable to that observed for type II supernovae. A dynamical model of convection is derived and included in the calculations. It was found that the effect of the convection on the explosions is probably not important.

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