3D moving-mesh simulations show isotropic mass ejection from the L1 point in novae, with L2 unimportant and ejecta carrying enhanced angular momentum.
The Thermonuclear Runaway and the Classical Nova Outburst
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abstract
Nova explosions occur on the white dwarf component of a Cataclysmic Variable binary stellar system that is accreting matter lost by its companion. When sufficient material has been accreted by the white dwarf, a thermonuclear runaway occurs and ejects material in what is observed as a Classical Nova explosion. We describe both the recent advances in our understanding of the progress of the outburst and outline some of the puzzles that are still outstanding. We report on the effects of improving both the nuclear reaction rate library and including a modern nuclear reaction network in our one-dimensional, fully implicit, hydrodynamic computer code. In addition, there has been progress in observational studies of Supernovae Ia with implications about the progenitors and we discuss that in this review.
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years
2026 2verdicts
UNVERDICTED 2roles
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SED modeling of early 2021 RS Oph data indicates bipolar ejecta with equatorial disk and confirms significant WD radiation originates from reprocessed shock emission explained by WD rotation.
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Moving-Mesh Simulations of Mini-Common Envelope Ejection in Classical Novae
3D moving-mesh simulations show isotropic mass ejection from the L1 point in novae, with L2 unimportant and ejecta carrying enhanced angular momentum.