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Most massive stars experience binary interactions in their lifetimes that can alter both the surface and core structure of the stripped star with significant effects on their ultimate fate as core-collapse supernovae. However, core-collapse…

Solar and Stellar Astrophysics · Physics 2021-08-04 David Vartanyan , Eva Laplace , Mathieu Renzo , Ylva Götberg , Adam Burrows , Selma E. de Mink

Though the neutrino-driven convection model for the core-collapse explosion mechanism has received strong support in recent years, there are still many uncertainties in the explosion parameters -- such as explosion energy, remnant mass, and…

High Energy Astrophysical Phenomena · Physics 2020-02-19 Sydney Andrews , Chris L. Fryer , Samuel W. Jones , Wesley P. Even , Marco Pignatari

We present a new general relativistic (GR) code for hydrodynamic supernova simulations with neutrino transport in spherical and azimuthal symmetry (1D/2D). The code is a combination of the CoCoNuT hydro module, which is a Riemann-solver…

Solar and Stellar Astrophysics · Physics 2015-05-18 B. Mueller , H. -Th. Janka , H. Dimmelmeier

Herein, we review the nuclear equations of state (EOSs) %for core-collapse supernova simulations and the constituent nuclei of core-collapse supernovae (CCSNe) and their roles in CCSN simulations. Various nuclei such as deuterons, iron, and…

Nuclear Theory · Physics 2022-12-20 Shun Furusawa , Hiroki Nagakura

The observation of neutrinos from Supernova~1987A has confirmed the theoretical conjecture that these particles play a crucial role during the collapse of the core of a massive star. Only one per cent of the energy they carry away from the…

Astrophysics · Physics 2007-05-23 H. -Th. Janka

The discovery of the extremely luminous supernova SN 2006gy, possibly interpreted as a pair instability supernova, renewed the interest in very massive stars. We explore the evolution of these objects, which end their life as pair…

Astrophysics · Physics 2009-11-13 Roni Waldman

We present numerical results on three-dimensional (3D) hydrodynamic core-collapse simulations of an $11.2 M_{\odot}$ star. By comparing one-(1D) and two-dimensional(2D) results with those of 3D, we study how the increasing spacial…

High Energy Astrophysical Phenomena · Physics 2015-05-30 Tomoya Takiwaki , Kei Kotake , Yudai Suwa

Few years ago, Boltzmann neutrino transport led to a new and reliable generation of spherically symmetric models of stellar core collapse and postbounce evolution. After the failure to prove the principles of the supernova explosion…

Astrophysics · Physics 2008-11-26 M. Liebendoerfer , T. Fischer , C. Fröhlich , F. -K. Thielemann , S. Whitehouse

The existence of various anomalous stars, such as the first stars in the universe or stars produced by stellar mergers, has been recently proposed. Some of these stars will result in black hole formation. In this study, we investigate iron…

Astrophysics · Physics 2010-05-12 Ken'ichiro Nakazato , Kohsuke Sumiyoshi , Shoichi Yamada

Large synoptic (repeated scan) imaging sky surveys are poised to observe enormous numbers of core-collapse supernovae. We quantify the discovery potential of upcoming projects, including DES, Pan-STARRS, and LSST. These surveys will map out…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-18 Amy Lien , Brian D. Fields

The results of a 3-dimensional SNSPH simulation of the core collapse of a 23 solar mass star are presented. This simulation did not launch an explosion until over 600ms after collapse, allowing an ideal opportunity to study the evolution…

Astrophysics · Physics 2011-02-11 C. L. Fryer , P. A. Young

Magnetic fields can play a major role in the dynamics of outstanding explosions associated to violent events such as GRBs and hypernovae, since they provide a natural mechanism to harness the rotational energy of the central proto-neutron…

High Energy Astrophysical Phenomena · Physics 2021-08-04 Matteo Bugli , Jérôme Guilet , Martin Obergaulinger

We explore the dependence on spatial dimension of the viability of the neutrino heating mechanism of core-collapse supernova explosions. We find that the tendency to explode is a monotonically increasing function of dimension, with 3D…

Solar and Stellar Astrophysics · Physics 2014-11-21 J. Nordhaus , A. Burrows , A. Almgren , J. Bell

This paper explores core-collapse supernovae as crucial targets for neutrino telescopes, addressing uncertainties in their simulation results. We comprehensively analyze eighteen modern simulations and discriminate among supernova models…

High Energy Astrophysical Phenomena · Physics 2024-01-10 Maria Manuela Saez , Ermal Rrapaj , Akira Harada , Shigehiro Nagataki , Yong-Zhong Qian

Supernova theory, numerical and analytic, has made remarkable progress in the past decade. This progress was made possible by more sophisticated simulation tools, especially for neutrino transport, improved microphysics, and deeper insights…

Solar and Stellar Astrophysics · Physics 2015-06-05 H. -Thomas Janka

The time evolution of a set of 22 Mo unstable charged stars that collapse is computed integrating the Einstein-Maxwell equations. The model simulate the collapse of an spherical star that had exhausted its nuclear fuel and have or acquires…

Astrophysics · Physics 2007-05-23 Cristian R. Ghezzi , Patricio S. Letelier

Many of the currently available equations of state for core-collapse supernova simulations give large neutron star radii and do not provide large enough neutron star masses, both of which are inconsistent with some recent neutron star…

Solar and Stellar Astrophysics · Physics 2015-06-05 Andrew W. Steiner , Matthias Hempel , Tobias Fischer

Nuclear reactions transform atomic nuclei inside stars. This is the process of stellar nucleosynthesis. The basic concepts of determining nuclear reaction rates inside stars are reviewed. How stars manage to burn their fuel so slowly most…

Solar and Stellar Astrophysics · Physics 2015-05-13 Alak Ray

This meeting covered the range of cosmic explosions from solar flares to gamma-ray bursts. A common theme is the role of rotation and magnetic fields. A rigorous examination is underway to characterize systematic effects that might alter…

Astrophysics · Physics 2009-10-31 J. Craig Wheeler

Core collapse of massive stars leads to different fates for various physical factors, which gives different spectra of the emitted neutrinos. We focus on the supernova relic neutrinos (SRNs) as a probe to investigate the stellar collapse…

High Energy Astrophysical Phenomena · Physics 2022-09-27 Yosuke Ashida , Ken'ichiro Nakazato
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