Type Ia supernovae from sub-Chandrasekhar mass white dwarfs
Sim, Stuart A; Ropke, Friedrich; Kromer, M; Fink, M; Ruiter, A. J.; Seitenzahl, I. R.; Pakmor, R; Hillebrandt, Wolfgang
We argue that detonations of sub-Chandrasekhar mass white dwarfs can lead to bright explosions with light curves and spectra similar to those of observed Type Ia supernovae. Given that binary systems containing accreting sub-Chandrasekhar mass white dwarfs should be common, this suggests that a non-negligible fraction of the observed Type Ia supernova rate may arise from sub-Chandrasekhar mass explosions, if they can be ignited. We discuss aspects of how such explosions might be realized in...[Show more]
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