Convection and Off-Center Ignition in Type Ia Supernovae

Details Convection and Off-Center Ignition in Type Ia Supernovae Convection and Off-Center Ignition in Type Ia Supernovae

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004apj...616.1102w&link_type=abstract

The Astrophysical Journal, Volume 616, Issue 2, pp. 1102-1108.

Astronomy and Astrophysics

Astronomy

35

Hydrodynamics, Stars: Supernovae: General

Scientific paper

The turbulent convection that takes place in a Chandrasekhar-mass white dwarf during the final few minutes before it explodes determines where and how frequently it ignites. Numerical simulations have shown that the properties of the subsequent Type Ia supernova are sensitive to these ignition conditions. A heuristic model of the turbulent convection is explored. The results suggest that supernova ignition is likely to occur at a radius of order 100 km, rather than at the center of the star.

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