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The most energetic core-collapse supernovae are thought to arise from rapidly rotating, magnetised progenitors. However, the three-dimensional pre-collapse structure of their angular momentum and magnetic fields remains poorly constrained,…

Solar and Stellar Astrophysics · Physics 2026-05-25 Adam Griffiths , Miguel-Ángel Aloy , Martin Obergaulinger

We perform two- (2D) and three-dimensional (3D) hydrodynamics simulations of convective oxygen shell-burning that takes place deep inside a massive progenitor star of a core-collapse supernova. Using one dimensional (1D) stellar evolution…

Solar and Stellar Astrophysics · Physics 2019-08-14 Takashi Yoshida , Tomoya Takiwaki , Kei Kotake , Koh Takahashi , Ko Nakamura , Hideyuki Umeda

Two-dimensional (2D) hydrodynamical simulations of progenitor evolution of a 23 solar mass star, close to core collapse (about 1 hour, in 1D), with simultaneously active C, Ne, O, and Si burning shells, are presented and contrasted to…

Solar and Stellar Astrophysics · Physics 2015-05-27 W. David Arnett , Casey Meakin

The explosion outcome and diagnostics of core-collapse supernovae depend sensitively on the nature of the stellar progenitor, but most studies to date have focused exclusively on one-dimensional, spherically-symmetric massive star…

Solar and Stellar Astrophysics · Physics 2022-01-14 David Vartanyan , Matthew S. B. Coleman , Adam Burrows

We present a first 3D magnetohydrodynamic (MHD) simulation of oxygen, neon and carbon shell burning in a rapidly rotating 16 M_sun core-collapse supernova progenitor. We also run a purely hydrodynamic simulation for comparison. After 180s…

Solar and Stellar Astrophysics · Physics 2023-10-24 Vishnu Varma , Bernhard Mueller

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

Three-dimensional simulations of core-collapse supernovae are granting new insight into the as-yet uncertain mechanism that drives successful explosions. While there is still debate about whether explosions are obtained more easily in 3D…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Sean M. Couch , Evan P. O'Connor

We present three-dimensional simulations of the core-collapse of massive rotating and non-rotating progenitors performed with the general relativistic neutrino hydrodynamics code CoCoNuT-FMT and analyse their explosion properties and…

High Energy Astrophysical Phenomena · Physics 2020-05-06 Jade Powell , Bernhard Müller

Supernova remnants (SNRs) play a central role in shaping the interstellar medium. Core-Collapse Supernova (CCSN) progenitors are massive stars, which produce a dense circumstellar medium (CSM) through intense mass loss in post-main sequence…

Solar and Stellar Astrophysics · Physics 2026-05-07 C. J. K. Larkin , J. Mackey , B. Reville , H. Jin , N. Langer , A. A. C. Sander

Models of core-collapse supernova explosions powered by the neutrino-driven mechanism have matured considerable in recent years. Explosions at the low-mass end of the progenitor spectrum can routinely be simulated in 1D, 2D, and 3D and…

Solar and Stellar Astrophysics · Physics 2016-10-05 B. Müller

Non-spherical structure in massive stars at the point of iron core collapse can have a qualitative impact on the properties of the ensuing core-collapse supernova explosions and the multi-messenger signals they produce. Strong perturbations…

Solar and Stellar Astrophysics · Physics 2021-11-03 C. E. Fields , S. M. Couch

In this paper, we present the results of 3-dimensional collapse simulations of rotating stars for a range of stellar progenitors. We find that for the fastest spinning stars, rotation does indeed modify the convection above the…

Astrophysics · Physics 2009-11-10 C. L. Fryer , M. S. Warren

Numerical studies of core-collapse supernovae have demonstrated the importance of non-radial motions in pre-collapse progenitors on the explosion outcome. We use the CHIMERA neutrino radiation hydrodynamics code running seven…

Solar and Stellar Astrophysics · Physics 2026-04-14 Chien-Hui Chen , Eric J. Lentz , W. Raphael Hix , J. Austin Harris , Chloe Keeling Sandoval , Stephen W. Bruenn

We present a first study of the progenitor star dependence of the three-dimensional (3D) neutrino mechanism of core-collapse supernovae. We employ full 3D general-relativistic multi-group neutrino radiation-hydrodynamics and simulate the…

High Energy Astrophysical Phenomena · Physics 2019-02-13 C. D. Ott , L. F. Roberts , A. da Silva Schneider , J. M. Fedrow , R. Haas , E. Schnetter

We present a first 3D magnetohydrodynamic (MHD) simulation of convective oxygen and neon shell burning in a non-rotating $18\, M_\odot$ star shortly before core collapse to study the generation of magnetic fields in supernova progenitors.…

Solar and Stellar Astrophysics · Physics 2021-04-07 Vishnu Varma , Bernhard Müller

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…

We present 3D hydrodynamics simulations of shell burning in two progenitors with zero-age main-sequence masses of 22 and 27 $M_{\odot}$ for $\sim$65 and 200 s up to the onset of gravitational collapse, respectively. The 22 and 27…

Solar and Stellar Astrophysics · Physics 2021-02-17 Takashi Yoshida , Tomoya Takiwaki , Kei Kotake , Koh Takahashi , Ko Nakamura , Hideyuki Umeda

Massive stars have a strong impact on their surroundings, in particular when they produce a core-collapse supernova at the end of their evolution. In these proceedings, we review the general evolution of massive stars and their properties…

Solar and Stellar Astrophysics · Physics 2018-02-22 Raphael Hirschi , David Arnett , Andrea Cristini , Cyril Georgy , Casey Meakin , Ian Walkington

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 new three-dimensional (3D) general-relativistic magnetohydrodynamic simulations of rapidly rotating strongly magnetized core collapse. These simulations are the first of their kind and include a microphysical…

High Energy Astrophysical Phenomena · Physics 2015-02-18 P. Mösta , S. Richers , C. D. Ott , R. Haas , A. L. Piro , K. Boydstun , E. Abdikamalov , C. Reisswig , E. Schnetter
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