The mechanism of Supernova Ia explosion in elliptical galaxies
V. M. Lipunov, I. E. Panchenko, M. V. Pruzhinskaya
TL;DR
This paper discusses the mechanism behind Type Ia supernova explosions in elliptical galaxies, confirming that most originate from binary white dwarf mergers exceeding the Chandrasekhar limit, aligning with population synthesis predictions.
Contribution
It validates the binary white dwarf merger model as the primary mechanism for Type Ia supernovae in elliptical galaxies, supported by recent observational data.
Findings
Type Ia supernova rates match population synthesis predictions.
Majority (~99%) of supernovae in ellipticals result from white dwarf mergers.
Supernova explosion mechanism confirmed to involve mergers exceeding Chandrasekhar limit.
Abstract
Recent observational data on the type Ia supernova rates are in excellent agreement with the old prediction of the population synthesis of binary stars and confirm that the overwhelming majority of type Ia supernovas (~99%) in elliptical galaxies form via mergers of binary white dwarfs with the total mass exceeding the Chandrasekhar limit.
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