Nucleosynthesis in SNe Ia as a function of the burning front propagation

Details Nucleosynthesis in SNe Ia as a function of the burning front propagation Nucleosynthesis in SNe Ia as a function of the burning front propagation

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997nupha.621..477t&link_type=abstract

Nuclear Physics A, v. 621, p. 477-480.

Physics

Nuclear Physics

1

Scientific paper

Spectra and light curves of SNIa events and their appearance in all galaxy types clearly indicate their origin from thermonuclear explosions of white dwarfs. Details of the explosion are still uncertain. Here we focus on the nucleosynthesis consequences and look for constraints on the astrophysical models. While Chandrasekhar-mass explosions can explain the existence of intermediate mass elements in the observed spectra, the composition of the Fe-group is highly sensitive to the amount of electron capture in the central layers. This affects spectra, light curves, and very importantly the explanation of solar system abundances of nuclei like 48Ca, 50Ti, 54Cr, 54,58Fe, and 58Ni.

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