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Special Universe Lecture: Predicting the radiative display of Type Ia Supernovae: 1. testing the standard model

by Stephane Blondin (Laboratoire d’Astrophysique de Marseille, France)

seminar room, basement (Universe Cluster, Boltzmannstr. 2, Garching)

seminar room, basement

Universe Cluster, Boltzmannstr. 2, Garching

Abstract: Stephane will present the numerical setup developed with his collaborators to predict the light curves and spectra of Type Ia supernovae (SNe Ia). These simulations are based on the 1D, non-LTE, time-dependent radiative transfer code CMFGEN. He will first consider the standard delayed-detonation explosion mechanism applied to Chandrasekhar-mass white dwarf stars. Then heI will show that their approach delivers an excellent agreement to observations, despite the 1D treatment, providing support to the viability of the standard Chandrasekhar-mass model. Stephane will discuss variations of this standard model involving a pulsation during the explosive phase, which could explain part of the observed diversity among SNe Ia. Part 3 on 21st July, 12:00. Stephane is a Cluster guest. Local host: Bruno Leibundgut (ESO)
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