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The white dwarf's carbon fraction as a secondary parameter of Type Ia supernovae

Ohlmann, Sebastian; Kromer, M; Fink, M; Pakmor, R; Seitenzahl, Ivo; Sim, Stuart A; Ropke, Friedrich


Methods. The explosion phase is simulated using the finite volume supernova code Leafs, which is extended to treat different compositions of the progenitor WD. The synthetic observables are computed with the Monte Carlo radiative transfer code Artis. Results. Differences in binding energies of carbon and oxygen lead to a lower nuclear energy release for carbon depleted material; thus, the burning fronts that develop are weaker and the total nuclear energy release is smaller. For otherwise...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201423924
Access Rights: Open Access


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