Search results for "Explosive nucleosynthesis"

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Matter Mixing in Aspherical Core-collapse Supernovae: Three-dimensional Simulations with Single Star and Binary Merger Progenitor Models for SN 1987A

2019

We perform three-dimensional hydrodynamic simulations of aspherical core-collapse supernovae focusing on the matter mixing in SN 1987A. The impacts of four progenitor (pre-supernova) models and parameterized aspherical explosions are investigated. The four pre-supernova models include a blue supergiant (BSG) model based on a slow merger scenario developed recently for the progenitor of SN 1987A (Urushibata et al. 2018). The others are a BSG model based on a single star evolution and two red supergiant (RSG) models. Among the investigated explosion (simulation) models, a model with the binary merger progenitor model and with an asymmetric bipolar-like explosion, which invokes a jetlike explo…

010504 meteorology & atmospheric sciencesSupergiant starAstrophysics::High Energy Astrophysical PhenomenaBinary numberchemistry.chemical_elementNeutron starFOS: Physical sciencesHydrodynamical simulationAstrophysicsAstrophysics::Cosmology and Extragalactic Astrophysics01 natural sciencesSettore FIS/05 - Astronomia E Astrofisica0103 physical sciencesCore-collapse supernovaeAstrophysics::Solar and Stellar AstrophysicsRed supergiant010303 astronomy & astrophysicsMixing (physics)HeliumStellar evolutionary modelSolar and Stellar Astrophysics (astro-ph.SR)Astrophysics::Galaxy Astrophysics0105 earth and related environmental sciencesLine (formation)PhysicsHigh Energy Astrophysical Phenomena (astro-ph.HE)Astronomy and AstrophysicsSupernova dynamicSupernovaNeutron starchemistryAstrophysics - Solar and Stellar AstrophysicsSpace and Planetary ScienceExplosive nucleosynthesisSupergiantAstrophysics - High Energy Astrophysical Phenomena
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