English
Related papers

Related papers: Magnetorotational supernovae with jets

200 papers

Long duration Gamma-Ray Bursts (GRBs) originate from the core collapse of massive stars, but the identity of the central engine remains elusive. Previous work has shown that rapidly spinning, strongly magnetized proto-neutron stars…

High Energy Astrophysical Phenomena · Physics 2015-05-20 B. D. Metzger , D. Giannios , T. A. Thompson , N. Bucciantini , E. Quataert

We study the evolution of the field on the surface of proto-neutron stars in the immediate aftermath of stellar core collapse by analyzing the results of self-consistent, axisymmetric simulations of the cores of rapidly rotating high-mass…

High Energy Astrophysical Phenomena · Physics 2018-01-17 Martin Obergaulinger , Miguel-Ángel Aloy

The gravitational collapse, bounce, the explosion of an iron core of an 11.2 $M_{\odot}$ star is simulated by two-dimensional neutrino-radiation hydrodynamic code. The explosion is driven by the neutrino heating aided by multi-dimensional…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Yudai Suwa

We conduct three-dimensional hydrodynamical simulations to explore the interaction of jets that a neutron star (NS) companion to a type Ic or type Ib core collapse supernova (CCSN) launches few hours after explosion with the ejecta of the…

High Energy Astrophysical Phenomena · Physics 2020-09-30 Muhammad Akashi , Noam Soker

We perform a new general-relativistic viscous-radiation hydrodynamics simulation for supernova-like explosion associated with stellar core collapse of rotating massive stars to a system of a black hole and a massive torus paying particular…

High Energy Astrophysical Phenomena · Physics 2023-09-06 Sho Fujibayashi , Alan Tsz-Lok Lam , Masaru Shibata , Yuichiro Sekiguchi

Gravitational waveform predictions from 3D simulations of explosions of non-rotating massive stars with no magnetic fields have been extensively studied. However, the impact of magnetic fields and rotation on the core-collapse supernova…

High Energy Astrophysical Phenomena · Physics 2024-07-24 Jade Powell , Bernhard Müller

We investigate $r$-process nucleosynthesis in three-dimensional general relativistic magnetohydrodynamic simulations of jet-driven supernovae resulting from rapidly rotating, strongly magnetized core-collapse. We explore the effect of…

High Energy Astrophysical Phenomena · Physics 2018-04-11 Goni Halevi , Philipp Mösta

The evolution of supernova remnants (SNRs) is studied, with particular attention to the effect of magnetic fields with axisymmetric two-dimensional magnetohydrodynamical simulations. The evolution of magnetic SNRs is the same as…

Astrophysics · Physics 2009-11-13 Hidekazu Hanayama , Kohji Tomisaka

We here propose a two-step model for gamma-ray bursts (GRBs) associated with supernovae. In the first step, the core collapse of a star with mass $\ge 19M_\odot$ leads to a massive neutron star and a normal supernova, and subsequently…

Astrophysics · Physics 2007-05-23 K. S. Cheng , Z. G. Dai

The origin of ear-like structures with two opposite lobes extending from the shell of supernova remnants (SNRs) remains a subject of active debate, with proposed mechanisms ranging from jet-driven explosions to interactions with bipolar…

High Energy Astrophysical Phenomena · Physics 2025-09-30 Huan Yu , Jun Fang

The non-thermal emission in the magnetospheres of presupernova collapsing stars with initial dipole magnetic fields and a certain initial energy distribution of the charged particles in a magnetosphere is considered. The analysis of…

Astrophysics · Physics 2009-11-10 Volodymyr Kryvdyk

We conduct one-dimensional stellar-evolution simulations of stars with zero age main sequence masses of $M_{ZAMS} = 8.8-9.45 M_\odot$ towards core collapse by electron capture, and find that the convective zone of the pre-collapse core can…

High Energy Astrophysical Phenomena · Physics 2024-07-19 Nikki Yat Ning Wang , Dmitry Shishkin , Noam Soker

Models invoking magnetic reconnection as the particle acceleration mechanism within relativistic jets often adopt a gradual energy dissipation profile within the jet. However, such a profile has yet to be reproduced in first-principles…

High Energy Astrophysical Phenomena · Physics 2022-12-13 Emma Kaufman , I. M. Christie , A. Lalakos , A. Tchekhovskoy , D. Giannios

We investigate the role of resolution and initial magnetic field strength on core-collapse supernovae in simulations of a non-rotating $13 \mathrm{M_\odot}$ progenitor. Specifically, we study the effect on shock revival, explosion dynamics,…

High Energy Astrophysical Phenomena · Physics 2026-04-02 Vishnu Varma , Bernhard Müller

Traditional models of core collapse suggest the issue of successful versus failed supernova explosions and neutron star versus black hole formation depends monotonically on the mass (and metallicity) of the progenitor star. Here we argue…

Astrophysics · Physics 2011-07-19 Shizuka Akiyama , J. Craig Wheeler

We examine MHD simulations of the propagation of a strong shock wave through the interstellar two-phase medium composed of small-scale cloudlets and diffuse warm neutral medium in two-dimensional geometry. The pre-shock two-phase medium is…

Solar and Stellar Astrophysics · Physics 2010-11-30 Tsuyoshi Inoue , Ryo Yamazaki , Shu-ichiro Inutsuka

The magnetorotational instability (MRI) is key physics in accretion disks and is widely considered to play some role in massive-star core collapse. Models of rotating massive stars naturally develop very strong shear at composition…

Solar and Stellar Astrophysics · Physics 2015-06-23 J. Craig Wheeler , Daniel Kagan , Emmanouil Chatzopoulos

A rapidly spinning magnetar in a young supernova (SN) can produce a superluminous transient by converting a fraction of its rotational energy into radiation. Here, we present the first three-dimensional hydrodynamical simulations ever…

High Energy Astrophysical Phenomena · Physics 2020-04-29 Ke-Jung Chen , S. E. Woosley , Daniel J. Whalen

We examine the effect of uniform ambient magnetic fields on the evolution of supernova-driven blast waves into a homogeneous ambient ISM in thermal equilibrium. Using the Pencil Code we simulate high resolution nonideal magnetohydrodynamic…

High Energy Astrophysical Phenomena · Physics 2019-09-24 Cetin Can Evirgen , Frederick Gent

We perform 2D numerical simulations of a magnetorotational explosion of a rotating magnetized gas cloud. We found that amplification of a toroidal magnetic field due to the differential rotation leads to a transformation of the part of the…

Astrophysics · Physics 2007-05-23 N. V. Ardeljan , G. S. Bisnovatyi-Kogan , S. G. Moiseenko