Properties of Carbon-Oxygen White Dwarf Merger Remnants

Details Properties of Carbon-Oxygen White Dwarf Merger Remnants Properties of Carbon-Oxygen White Dwarf Merger Remnants

2011-09-20

arxiv.org/abs/1109.4334v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

5 pages, 1 figure, to appear in IAU 281 Proceedings "Binary Paths to Type Ia Supernovae Explosions"

Scientific paper

Recent studies have shown that for suitable initial conditions both super- and sub-Chandrasekhar mass carbon-oxygen white dwarf mergers produce explosions similar to observed SNe Ia. The question remains, however, how much fine tuning is necessary to produce these conditions. We performed a large set of SPH merger simulations, sweeping the possible parameter space. We find trends for merger remnant properties, and discuss how our results affect the viability of our recently proposed sub-Chandrasekhar merger channel for SNe Ia.

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