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The gravitational collapse of iron-oxygen stars with masses of 2M ⊙ and 10M ⊙ II

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Abstract

The collapse of iron-oxygen stars with masses of 2M ⊙ has been calculated. The commencement of the collapse is due to dissociation of iron-group nuclei into free nucleons. After a while, the collapse proceeds in consequence of intensive energy losses due to neutrino volume radiation. At an intermediate stage of the collapse, the core — opaque with respect to neutrino radiation (neutrino core) — is formed inside the collapsing star. Both the gradual increase of the mass of the neutrino core and the partial absorption of neutrinos radiated from the surface of the neutrino core by the stellar envelope (deposition) were taken into account in our calculations. The kinetics of oxygen burning in the outer layers of the envelope was also allowed for. Neither the deposition, nor the oxygen burning, result in ejection of stellar envelopes.

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  1. Institute of Applied Mathematics, U.S.S.R., Academy of Sciences, Moscow, U.S.S.R.

    D. K. Nadyozhin

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  1. D. K. Nadyozhin
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Nadyozhin, D.K. The gravitational collapse of iron-oxygen stars with masses of 2M ⊙ and 10M ⊙ II. Astrophys Space Sci 51, 283–301 (1977). https://doi.org/10.1007/BF00644153

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  • DOI: https://doi.org/10.1007/BF00644153

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