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Binary Evolution of Type Ia Supernovae

J. Craig Wheeler
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Abstract

Observations of Type Ia supernovae (SN~Ia) combined with modeling of dynamics, light curves and spectra continue to point to the difficult conclusion that SN~Ia result from degenerate ignition in a carbon/oxygen white dwarf of the Chandrasekhar mass. Such a model accounts well for the ``normal" SN~Ia and for the observed dispersion exemplified by the light curve amplitude-shape relation. The criterion that the white dwarfs involved in this process grow to nearly 1.4 Msun continues to provide a great challenge to understanding the binary stellar evolution involved. The so-called ``supersoft X-ray sources" may provide an important new population of SN~Ia progenitors. Other techniques are being developed that may constrain the binary evolution.

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J. Craig Wheeler. 1995-12-30. Binary Evolution of Type Ia Supernovae. https://arxiv.org/abs/astro-ph/9512171

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