Abstract
Simplified explosion models of super-Chandrasekhar-mass C-O white dwarfs (WDs) are constructed with parameters such as WD mass and 56Ni mass. Their light curves are obtained by solving one-dimensional equations of radiation hydrodynamics, and compared with the observations of SN 2009dc, one of the overluminous Type Ia supernovae, to estimate its properties. As a result, the progenitor of SN 2009dc is suggested to be a 2.2-2.4-M⊙ C-O WD with 1.2-1.4 M⊙ of 56Ni, if the extinction by its host galaxy is negligible. Copyright © International Astronomical Union 2013.
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Kamiya, Y. (2013). Light curve models for SN 2009dc. In Proceedings of the International Astronomical Union (Vol. 7, pp. 314–315). Cambridge University Press. https://doi.org/10.1017/S1743921312015268
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