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Related papers: Three-Dimensional Simulations of Core-Collapse Sup…

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We present the first three-dimensional (3D) simulations of the large-scale mixing that takes place in the shock-heated stellar layers ejected in the explosion of a 15.5 solar-mass blue supergiant star. The outgoing supernova shock is…

Solar and Stellar Astrophysics · Physics 2015-05-14 N. J. Hammer , H. -Th. Janka , E. Mueller

In order to better connect core-collapse supernovae (CCSN) theory with its observational signatures, we have developed a simulation pipeline from the onset of core collapse to beyond shock breakout. Using this framework, we present a…

High Energy Astrophysical Phenomena · Physics 2025-03-13 David Vartanyan , Benny T. H. Tsang , Daniel Kasen , Adam Burrows , Tianshu Wang , Lizzy Teryoshin

We present 3D hydrodynamic simulations of neutrino-driven supernovae (SNe) with the PROMETHEUS-HOTB code, evolving the asymmetrically expanding ejecta from shock breakout until they reach the homologous expansion phase after roughly one…

Solar and Stellar Astrophysics · Physics 2021-01-20 Michael Gabler , Annop Wongwathanarat , Hans-Thomas Janka

We investigate in this paper the core-collapse supernova explosion mechanism in both one and two dimensions. We verify the usefulness of neutrino-driven overturn (``convection'') between the shock and the neutrinosphere in igniting the…

Astrophysics · Physics 2009-10-28 Adam Burrows , John Hayes , Bruce Fryxell

We present results from an ab initio three-dimensional, multi-physics core collapse supernova simulation for the case of a 15 M progenitor. Our simulation includes multi-frequency neutrino transport with state-of-the-art neutrino…

Two-dimensional simulations of a Type II and a Type Ib-like supernova explosion are presented that encompass shock revival by neutrino heating, neutrino-driven convection, explosive nucleosynthesis, the growth of Rayleigh-Taylor…

Astrophysics · Physics 2011-05-23 K. Kifonidis , T. Plewa , H. -Th. Janka , E. Mueller

We present three-dimensional simulations of core-collapse supernovae using the FLASH code that follow the progression of the explosion to the stellar surface, starting from neutrino-radiation hydrodynamic simulations of the neutrino-driven…

High Energy Astrophysical Phenomena · Physics 2021-11-15 Michael A. Sandoval , W. Raphael Hix , O. E. Bronson Messer , Eric J. Lentz , J. Austin Harris

We have performed ab initio neutrino radiation hydrodynamics simulations in three and two spatial dimensions (3D and 2D) of core-collapse supernovae from the same 15 $M_\odot$ progenitor through 440 ms after core bounce. Both 3D and 2D…

High-resolution two-dimensional simulations were performed for the first five minutes of the evolution of a core collapse supernova explosion in a 15 solar mass blue supergiant progenitor. The computations start shortly after bounce and…

Astrophysics · Physics 2009-10-31 K. Kifonidis , T. Plewa , H. -Th. Janka , E. Mueller

Self-consistent, multidimensional core-collapse supernova (SN) simulations, especially in 3D, have achieved tremendous progress over the past 10 years. They are now able to follow the entire evolution from core collapse through bounce,…

High Energy Astrophysical Phenomena · Physics 2026-02-13 H. -Thomas Janka

We present results of high-resolution two-dimensional simulations which follow the first five minutes of a core collapse supernova explosion in a 15 solar mass blue supergiant progenitor. The computations start shortly after core bounce and…

Astrophysics · Physics 2007-05-23 K. Kifonidis , T. Plewa , H. -Th. Janka , E. Mueller

We investigate neutrino-driven convection in core collapse supernovae and its ramifications for the explosion mechanism. We begin with an ``optimistic'' 15 solar mass precollapse model, which is representative of the class of stars with…

Here we present the results from two sets of simulations, in two and three spatial dimensions. In two dimensions, the simulations include multifrequency flux-limited diffusion neutrino transport in the "ray-by-ray-plus" approximation,…

Astrophysics · Physics 2009-11-13 A. Mezzacappa , S. W. Bruenn , J. M. Blondin , W. R. Hix , O. E. B. Messer

The overwhelming evidence that the core collapse supernova mechanism is inherently multidimensional, the complexity of the physical processes involved, and the increasing evidence from simulations that the explosion is marginal presents…

(Abridged) We present results from dynamical models of core-collapse supernovae in one spatial dimension, employing a newly-developed Boltzmann neutrino radiation transport algorithm, coupled to Lagrangean hydrodynamics and a consistent…

Astrophysics · Physics 2009-11-07 Todd A. Thompson , Adam Burrows , Philip A. Pinto

We present an overview of four ab initio axisymmetric core-collapse supernova simulations employing detailed spectral neutrino transport computed with our CHIMERA code and initiated from Woosley & Heger (2007) progenitors of mass 12, 15,…

The details of the physical mechanism that drives core-collapse supernovae (CCSNe) remain uncertain. While there is an emerging consensus on the qualitative outcome of detailed CCSN mechanism simulations in 2D, only recently have…

High Energy Astrophysical Phenomena · Physics 2018-10-10 Evan O'Connor , Sean Couch

Multidimensional hydrodynamic simulations of shell convection in massive stars suggest the development of aspherical perturbations that may be amplified during iron core-collapse. These perturbations have a crucial and qualitative impact on…

Solar and Stellar Astrophysics · Physics 2020-09-22 C. E. Fields , S. M. Couch

Despite the three-dimensional nature of core-collapse supernovae (CCSNe), simulations in spherical symmetry (1D) play an important role to study large model sets for the progenitor-remnant connection, explosion properties, remnant masses,…

High Energy Astrophysical Phenomena · Physics 2025-05-27 Liliya Imasheva , H. -Thomas Janka , Achim Weiss

We present results of 2D hydrodynamic simulations of stellar core collapse, which confirm that the neutrino-heating mechanism remains viable for the explosion of a wider mass range of supernova progenitors with iron cores. We used an…

Astrophysics · Physics 2009-06-23 A. Marek , H. Th. Janka
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