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The dependence of the evolution of SN type Ia progenitors on the C burning rate uncertainty and parameters of convective boundary mixing
Michael C. Chen, Falk Herwig, Pavel A. Denissenkov +1
Evolution of a supernova type Ia progenitor requires formation of a CO white dwarf, which implies a dependence on the C burning rate (CBR). It can also be affected by the recently…
GYRE: A New Open-Source Stellar Oscillation Code
Rich Townsend, Seth Teitler, Bill Paxton
We introduce GYRE, a new open-source stellar oscillation code which solves the adiabatic/non-adiabatic pulsation equations using a novel Magnus Multiple Shooting (MMS) numerical sc…
Hydrogen Burning on Accreting White Dwarfs: Stability, Recurrent Novae, and the Post-Novae Supersoft Source
William M. Wolf, Lars Bildsten, Jared Brooks +1
We examine the properties of white dwarfs (WDs) accreting hydrogen-rich matter in and near the stable burning regime of accretion rates as modeled by time-dependent calculations do…
Advanced burning stages and fate of 8-10 Mo stars
Samuel Jones, Raphael Hirschi, Ken'ichi Nomoto +9
The stellar mass range 8<M/Mo<12 corresponds to the most massive AGB stars and the most numerous massive stars. It is host to a variety of supernova progenitors and is therefore ve…
The C-flame Quenching by Convective Boundary Mixing in Super-AGB Stars and the Formation of Hybrid C/O/Ne White Dwarfs and SN Progenitors
Pavel A. Denissenkov, Falk Herwig, James W. Truran +1
After off-center C ignition in the cores of super-AGB stars the C flame propagates all the way down to the center, trailing behind it the C-shell convective zone, and thus building…
MESA and NuGrid simulations of classical novae: CO and ONe nova nucleosynthesis
Pavel A. Denissenkov, James W. Truran, Marco Pignatari +6
Classical novae are the result of thermonuclear flashes of hydrogen accreted by CO or ONe white dwarfs, leading eventually to the dynamic ejection of the surface layers. These are…