Dynamical instability of the envelope of red supergiants and the lower mass limit for carbon detonation supernovae

Details Dynamical instability of the envelope of red supergiants and the lower mass limit for carbon detonation supernovae Dynamical instability of the envelope of red supergiants and the lower mass limit for carbon detonation supernovae

Nov 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976ap%26ss..45...71f&link_type=abstract

Astrophysics and Space Science, vol. 45, Nov. 1976, p. 71-77. Research supported by the Japan Society for the Promotion of Scien

Astronomy and Astrophysics

Astrophysics

4

Dynamic Stability, Stellar Envelopes, Stellar Mass, Stellar Models, Supergiant Stars, Supernovae, Astrophysics, Eigenvalues, Stellar Luminosity

Scientific paper

The lower mass limit for carbon-detonation supernovae is investigated by testing the dynamical instability of the envelopes of red supergiants. It was found that the dependence of lower mass limit on the mixing length of convection is appreciable. As a smaller mixing length is assumed, the lower mass limit becomes larger. It may be as large as 8 solar masses if the mixing length is a third of the pressure scale-height. This is one of the ways to remove the difficulty of overproduction of iron-peak elements involved in the model of carbon-detonation supernovae.

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