Constraining the double-degenerate scenario for Type Ia supernovae from merger ejected matter
作者： Naveh Levanon , Noam Soker , Enrique García-Berro
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摘要: We follow the mass expelled during WD-WD merger process in a particular case of double-degenerate (DD) scenario for Type Ia supernovae (SNe Ia), and find that interaction SN ejecta with resulting wind affects early (first day) light-curve way may be conflict some observations, if detonation occurs shortly after merger, i.e. (10(3) s less than or similar to t(exp) 1 d). The main source is disc-wind, jets are launched by accretion disc around more massive white dwarf (WD) viscous phase merger. This disc-originated matter will shocked heated from an explosion, leading additional radiation light-curve. enhanced could then interpreted as explosion originating progenitor having inferred radius one solar more, observations 2011fe.
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