The Physics and Astrophysics of Type Ia Supernova Explosions

Details The Physics and Astrophysics of Type Ia Supernova Explosions The Physics and Astrophysics of Type Ia Supernova Explosions

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..374...53h&link_type=abstract

From Stars to Galaxies: Building the Pieces to Build Up the Universe. ASP Conference Series, Vol. 374, proceedings of the confer

Physics

Scientific paper

Recent progress in modeling type Ia supernovae by means of 3-dimensional hydrodynamic simulations as well as several of the still open questions are addressed. It is shown that the new models have considerable predictive power allowing us to study observable properties of supernovae such as light curves and spectra without adjustable non-physical parameters. This is a basic prerequisite to improve our understanding of the explosion mechanism and to settle the question of the applicability of SNe~Ia as distance indicators for cosmology. We explore the capabilities of the models by comparison with observations and show in a preliminary approach, how such models can be applied to study the origin of the diversity of SNe Ia which could be a source of considerable systematic errors in their distances.

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