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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

We present results from the first 2D and 3D simulations of the collapse of rotating stellar iron cores in general relativity employing a finite-temperature equation of state and an approximate treatment of deleptonization during collapse.…

Astrophysics · Physics 2008-11-26 C. D. Ott , H. Dimmelmeier , A. Marek , H. -T. Janka , I. Hawke , B. Zink , E. Schnetter

Multi-dimensional fluid flow plays a paramount role in the explosions of massive stars as core-collapse supernovae. In recent years, three-dimensional (3D) simulations of these phenomena have matured significantly. Considerable progress has…

Solar and Stellar Astrophysics · Physics 2020-06-11 B. Müller

Rotation and magnetic fields in the cores of evolved massive stars in their final phase are thought to play an important role in the subsequent supernova explosion and the formation of a compact object, especially in hyperenergetic…

Solar and Stellar Astrophysics · Physics 2026-03-30 Ryota Shimada , Lucy O. McNeill , Vishnu Varma , Keiichi Maeda , Takaaki Yokoyama , Bernhard Müller

When collapse of the iron core in a massive red or yellow supergiant does not lead to an energetic supernova, a significant fraction of the convective hydrogen envelope will fall in towards the black hole formed from the collapsing core.…

High Energy Astrophysical Phenomena · Physics 2023-10-02 Andrea Antoni , Eliot Quataert

The death of massive stars is shrouded in many mysteries. One of them is the mechanism that overturns the collapse of the degenerate iron core into an explosion, a process that determines the supernova explosion energy, properties of the…

High Energy Astrophysical Phenomena · Physics 2020-12-23 Ondřej Pejcha

We study the evolution of the collapsing core of a 15 Msun blue supergiant supernova progenitor from the core bounce until 1.5 seconds later. We present a sample of hydrodynamic models parameterized to match the explosion energetics of SN…

Solar and Stellar Astrophysics · Physics 2016-11-18 Timothy Handy , Tomasz Plewa , Andrzej Odrzywolek

In this paper, we present the results of our three-dimensional, multi-group, multi-neutrino-species radiation/hydrodynamic simulation using the state-of-the-art code F{\sc{ornax}} of the terminal dynamics of the core of a non-rotating…

High Energy Astrophysical Phenomena · Physics 2018-10-10 David Vartanyan , Adam Burrows , David Radice , Aaron Skinner , Joshua Dolence

The advent of massively parallel supercomputing has begun to permit explicit 3--D simulations of turbulent convection occurring within the cores of early-type main sequence stars. Such studies should complement the stellar structure and…

Astrophysics · Physics 2007-05-23 Allan Sacha Brun , Matthew Browning , Juri Toomre

We investigate the effect of dimensionality on the transition to explosion in neutrino-driven core-collapse supernovae. Using parameterized hydrodynamic simulations of the stalled supernova shock in one-, two- (2D), and three spatial…

High Energy Astrophysical Phenomena · Physics 2015-08-06 Rodrigo Fernández

Massive stars can explode in powerful supernovae (SNe) forming neutron stars but they may also collapse directly into black holes (BHs). Understanding and predicting their final fate is increasingly important, e.g, in the context of…

Solar and Stellar Astrophysics · Physics 2023-11-13 D. Temaj , F. R. N. Schneider , E. Laplace , D. Wei , Ph. Podsiadlowski

The numerical simulation of turbulence in stars has led to a rich set of possibilities regarding stellar pulsations, asteroseismology, thermonuclear yields, and formation of neutron stars and black holes. The breaking of symmetry by…

Solar and Stellar Astrophysics · Physics 2016-10-05 W. David Arnett , Casey Meakin

Core-collapse supernovae are among Nature's most energetic events. They mark the end of massive star evolution and pollute the interstellar medium with the life-enabling ashes of thermonuclear burning. Despite their importance for the…

High Energy Astrophysical Phenomena · Physics 2015-05-13 C. D. Ott , E. Schnetter , A. Burrows , E. Livne , E. O'Connor , F. Loeffler

We perform three-dimensional simulations of magnetorotational supernovae using a $39\,M_{\odot}$ progenitor star with two different initial magnetic field strengths of $10^{10}$ G and $10^{12}$ G in the core. Both models rapidly undergo…

High Energy Astrophysical Phenomena · Physics 2023-05-10 Jade Powell , Bernhard Mueller , David R. Aguilera-Dena , Norbert Langer

As a massive star evolves through multiple stages of nuclear burning on its way to becoming a supernova, a complex, differentially rotating structure is set up. Angular momentum is transported by a variety of classic instabilities, and also…

Astrophysics · Physics 2009-11-10 A. Heger , S. E. Woosley , H. C. Spruit

Advances in our understanding and the modeling of stellar core-collapse and supernova explosions over the past 15 years are reviewed, concentrating on the evolution of hydrodynamical simulations, the description of weak interactions and…

Astrophysics · Physics 2008-11-26 H. -Th. Janka , K. Langanke , A. Marek , G. Martinez-Pinedo , B. Mueller

We present results from a self-consistent, non-rotating core-collapse supernova simulation in three spatial dimensions using a binary evolution progenitor model of SN 1987A by Urushibata et al. (2018). This 18.3 solar-mass progenitor model…

High Energy Astrophysical Phenomena · Physics 2022-06-22 Ko Nakamura , Tomoya Takiwaki , Kei Kotake

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…

We conduct a series of numerical experiments into the nature of three-dimensional (3D) hydrodynamics in the postbounce stalled-shock phase of core-collapse supernovae using 3D general-relativistic hydrodynamic simulations of a…

High Energy Astrophysical Phenomena · Physics 2015-08-06 E. Abdikamalov , C. D. Ott , D. Radice , L. F. Roberts , R. Haas , C. Reisswig , P. Moesta , H. Klion , E. Schnetter

Supermassive stars are Population III stars with masses exceeding $10^4\,M_{\odot}$ that could be the progenitors of the first supermassive black holes. Their interiors are in a regime where radiation pressure dominates the equation of…

Solar and Stellar Astrophysics · Physics 2023-03-29 Simon Blouin , Huaqing Mao , Tyrone E. Woods , Pavel Denissenkov , Paul R. Woodward , Falk Herwig