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Related papers: Three-dimensional GRMHD Simulations of Rapidly Rot…

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By performing a series of two-dimensional, special relativistic magnetohydrodynamic (MHD) simulations, we study signatures of gravitational waves (GWs) in the magnetohydrodynamically-driven core-collapse supernovae. In order to extract the…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Tomoya Takiwaki , Kei Kotake

We present results from a full general relativistic three-dimensional hydrodynamics simulation of rapidly rotating core-collapse of a 70 M$_{\odot}$ star with three-flavor spectral neutrino transport. We find a strong gravitational wave…

High Energy Astrophysical Phenomena · Physics 2020-02-18 Shota Shibagaki , Takami Kuroda , Kei Kotake , Tomoya Takiwaki

We introduce our newly developed two different, three dimensional magneto hydrodynamical codes in detail. One of our codes is written in the Newtonian limit (NMHD) and the other is in the fully general relativistic code (GRMHD). Both codes…

Solar and Stellar Astrophysics · Physics 2015-05-19 Takami Kuroda , Hideyuki Umeda

We investigate the gravitational wave emission for 10 supernova progenitors from magnetorotational core-collapse to the supernova explosion using fully three-dimensional dynamical-spacetime general-relativistic magnetohydrodynamics…

High Energy Astrophysical Phenomena · Physics 2026-02-04 Sophia C. Schnauck , Swapnil Shankar , Philipp Mösta , Roland Haas , Erik Schnetter

We present results from the first 2+1 and 3+1 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.…

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

We present results of three-dimensional (3D), radiation-magnetohydrodynamics (MHD) simulations of core-collapse supernovae in full general relativity (GR) with spectral neutrino transport. In order to study the effects of progenitor's…

High Energy Astrophysical Phenomena · Physics 2020-06-24 Takami Kuroda , Almudena Arcones , Tomoya Takiwaki , Kei Kotake

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 study magnetohydrodynamic (MHD) effects arising in the collapse of magnetized, rotating, massive stellar cores to proto-neutron stars (PNSs). We perform axisymmetric numerical simulations in full general relativity with a hybrid equation…

Astrophysics · Physics 2008-11-26 Masaru Shibata , Yuk Tung Liu , Stuart L. Shapiro , Branson C. Stephens

We have performed a comprehensive parameter study of the collapse of rotating, strongly magnetized stellar cores in axisymmetry to determine their gravitational wave signature based on the Einstein quadrupole formula. We use a Newtonian…

Astrophysics · Physics 2009-11-13 M. Obergaulinger , M. A. Aloy , E. Mueller

We present the gravitational wave analysis from rotating (model s15g) and nearly non-rotating (model s15h) 3D MHD core collapse supernova simulations at bounce and the first couple of ten milliseconds afterwards. The simulations are…

Astrophysics · Physics 2009-11-13 S. Scheidegger , T. Fischer , S. C. Whitehouse , M. Liebendoerfer

We investigate the impact of rotation and magnetic fields on the dynamics and gravitational wave emission in 2D core-collapse supernova simulations with neutrino transport. We simulate 17 different models of $15\,M_\odot$ and $39\,M_\odot$…

High Energy Astrophysical Phenomena · Physics 2022-01-05 Rylan Jardine , Jade Powell , Bernhard Müller

We have performed 2.5-dimensional general relativistic magnetohydrodynamic (MHD) simulations of the gravitational collapse of a magnetized rotating massive star as a model of gamma ray bursts (GRBs). The current calculation focuses on…

Astrophysics · Physics 2009-11-10 Yosuke Mizuno , Shoichi Yamada , Shinji Koide , Kazunari Shibata

We perform a three-dimensional nested-grid radiation magneto-hydrodynamics (RMHD) simulation with self-gravity to study the early phase of the low-mass star formation process from a rotating molecular cloud core to a first adiabatic core…

Solar and Stellar Astrophysics · Physics 2010-12-08 Kengo Tomida , Kohji Tomisaka , Tomoaki Matsumoto , Ken Ohsuga , Masahiro N. Machida , Kazuya Saigo

We present a series of fully three-dimensional, dynamical-spacetime general relativistic magnetohydrodynamics (GRMHD) simulations of core-collapse supernovae (CCSNe) for a progenitor of zero-age-main-sequence (ZAMS) mass $25\, M_\odot$. We…

High Energy Astrophysical Phenomena · Physics 2026-04-22 Swapnil Shankar , Philipp Mösta , Roland Haas , Erik Schnetter

The gravitational collapse of rapidly rotating massive stars can lead to the onset of the low $T/\|W\|$ instability within the central proto-neutron star (PNS), which leaves strong signatures in both the gravitational wave (GW) and neutrino…

High Energy Astrophysical Phenomena · Physics 2023-03-08 Matteo Bugli , Jérôme Guilet , Thierry Foglizzo , Martin Obergaulinger

We show three-dimensional magnetohydrodynamical simulations of core collapse supernova in which the progenitor has magnetic fields inclined to the rotation axis. The simulations employed a simple empirical equation of state in which the…

Astrophysics · Physics 2009-11-13 Hayato Mikami , Yuji Sato , Tomoaki Matsumoto , Tomoyuki Hanawa

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 have performed 2.5-dimensional general relativistic magnetohydrodynamic (MHD) simulations of the gravitational collapse of a magnetized rotating massive star as a model of gamma ray bursts (GRBs). This simulation showed the formation of…

Astrophysics · Physics 2009-11-10 Yosuke Mizuno , Shoichi Yamada , Shinji Koide , Kazunari Shibata

Gravitational waves provide a unique and powerful opportunity to constrain the dynamics in the interior of proto-neutron stars during core collapse supernovae. Convective motions play an important role in generating neutron stars magnetic…

Solar and Stellar Astrophysics · Physics 2021-12-07 Raphaël Raynaud , Pablo Cerdá-Durán , Jérôme Guilet
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