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

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Abstract

We investigated the lower mass limitM l for the carbon detonation supernovae by testing the dynamical instability of the envelopes of red supergiants. It was found that the dependence ofM l on the mixing lengthl of convection is appreciable. As a smaller value ofl is assumed,M l becomes larger. It may be as large as 8M ⊙ ifl 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 the carbon detonation supernovae.

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Authors and Affiliations

  1. Department of Astronomy, University of Tokyo, Tokyo, Japan

    Masayuki Y. Fujimoto

  2. Department of Earth Science and Astronomy, College of General Education, University of Tokyo, Meguro, Tokyo, Japan

    Ken'ichi Nomoto & Daiichiro Sugimoto

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  1. Masayuki Y. Fujimoto
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  2. Ken'ichi Nomoto
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  3. Daiichiro Sugimoto
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Fujimoto, M.Y., Nomoto, K. & Sugimoto, D. Dynamical instability of the envelope of red supergiants and the lower mass limit for carbon detonation supernovae. Astrophys Space Sci 45, 71–77 (1976). https://doi.org/10.1007/BF00642142

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  • DOI: https://doi.org/10.1007/BF00642142

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