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One-dimensional delayed-detonation models of Type Ia supernovae: Confrontation to observations at bolometric maximum
Stéphane Blondin, Luc Dessart, D. John Hillier +1
The delayed-detonation explosion mechanism applied to a Chandrasekhar-mass white dwarf offers a very attractive model to explain the inferred characteristics of Type Ia supernovae…
Radiative Properties of Pair-instability Supernova Explosions
Luc Dessart, Roni Waldman, Eli Livne +2
We present non-LTE time-dependent radiative-transfer simulations of pair-instability supernovae (PISNe) stemming from red-supergiant (RSG), blue-supergiant (BSG) and Wolf-Rayet (WR…
Super-luminous supernovae: 56Ni power versus magnetar radiation
Luc Dessart, D. John Hillier, Roni Waldman +2
Much uncertainty surrounds the origin of super-luminous supernovae (SNe). Motivated by the discovery of the Type Ic SN2007bi, we study its proposed association with a pair-instabil…
The Spectroscopic Diversity of Type Ia Supernovae
S. Blondin, T. Matheson, R. P. Kirshner +9
We present 2603 spectra of 462 nearby Type Ia supernovae (SN Ia) obtained during 1993-2008 through the Center for Astrophysics Supernova Program. Most of the spectra were obtained…