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Related papers: Issues with Core-Collapse Supernova Progenitor Mod…

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Core-collapse supernovae (CCSNe) are catastrophic astrophysical phenomena that occur during the last evolutionary stages of massive stars having initial masses of around 8 M$_{\odot}$ or more. These calamitous events play a pivotal role in…

High Energy Astrophysical Phenomena · Physics 2023-12-29 Amar Aryan

Spherically symmetric simulations of stellar core collapse and post-bounce evolution are used to test the sensitivity of the supernova dynamics to different variations of the input physics. We consider a state-of-the-art description of the…

Astrophysics · Physics 2007-05-23 M. Rampp , R. Buras , H. -Th. Janka , G. Raffelt

A notable feature of the two standard models for thermonuclear and core-collapse supernovae is that, although these two models are fundamentally different, the respective supernova types have quite similar rates and appearances. For…

High Energy Astrophysical Phenomena · Physics 2019-09-04 L. Clavelli

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

We present constraints on the progenitor metallicities of core-collapse supernovae. To date, nearly all metallicity constraints have been inferred from indirect methods such as metallicity gradients in host galaxies, luminosities of host…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 J. P. Anderson , R. A. Covarrubias , P. A. James , M. Hamuy , S. M. Habergham

The recent discovery that the Fe-K line luminosities and energy centroids observed in nearby SNRs are a strong discriminant of both progenitor type and circumstellar environment has implications for our understanding of supernova progenitor…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Daniel J. Patnaude , Shiu-Hang Lee , Patrick O. Slane , Carles Badenes , Alexander Heger , Donald C. Ellison , Shigehiro Nagataki

We study the impact of large-scale perturbations from convective shell burning on the core-collapse supernova explosion mechanism using three-dimensional (3D) multi-group neutrino hydrodynamics simulations of an 18 solar mass progenitor.…

Solar and Stellar Astrophysics · Physics 2017-09-20 B. Müller , T. Melson , A. Heger , H. -Th. Janka

The histories of core-collapse supernova theory and of neutrino physics have paralleled one another for more than seventy years. Almost every development in neutrino physics necessitated modifications in supernova models. What has emerged…

Solar and Stellar Astrophysics · Physics 2018-12-17 Adam Burrows

Here I review some nuclear physics aspects of core-collapse supernovae concerning neutrinos. Studies of neutrino emission and interactions in supernovae are crucial to our understanding of the explosion mechanism, the heavy element…

Astrophysics · Physics 2007-05-23 Yong-Zhong Qian

World-wide, several detectors currently running or nearing completion are sensitive to a core collapse supernova neutrino signal in the Galaxy. I will briefly describe the nature of the neutrino signal and then survey current and future…

High Energy Physics - Experiment · Physics 2009-10-31 Kate Scholberg

We revise the theoretical initial mass-final luminosity relation for progenitors of type IIP and IIL supernovae. The effects of the major uncertainties, as those due to the treatment of convection, semiconvection, rotation, mass loss,…

Solar and Stellar Astrophysics · Physics 2019-09-04 Oscar Straniero , Inma Dominguez , Luciano Piersanti , Maurizio Giannotti , Alessandro Mirizzi

Neutrino-matter interaction rates are central to the core collapse phenomenon and, perhaps, to the viability of the mechanism of core-collapse supernova explosions. In this paper we catalog and discuss the major neutrino scattering,…

Astrophysics · Physics 2007-05-23 Adam Burrows , Todd A. Thompson

We summarize the current status of the turbulent model of star formation in turbulent molecular clouds. In this model, clouds, clumps and cores form a hierarchy of nested density fluctuations caused by the turbulence, and either collapse or…

Astrophysics · Physics 2007-05-23 Enrique Vazquez-Semadeni

Core collapse supernovae are unique laboratories to study many aspects of neutrino physics. The vicinity of the proto-neutron star in a core-collapse supernova is characterized by large matter and neutrino densities. A salient feature of…

Solar and Stellar Astrophysics · Physics 2015-06-11 A. B. Balantekin

Nonspherical mass motions are a generic feature of core-collapse supernovae, and hydrodynamic instabilities play a crucial role for the explosion mechanism. First successful neutrino-driven explosions could be obtained with self-consistent,…

Solar and Stellar Astrophysics · Physics 2016-11-23 H. -Thomas Janka , Tobias Melson , Alexander Summa

The cores of main sequence intermediate- and high-mass stars are convective. Mixing at the radiative-convective boundary, waves excited by the convection, and magnetic fields generated by convective dynamos all influence the main sequence…

Solar and Stellar Astrophysics · Physics 2023-08-02 Daniel Lecoanet , Philipp V. F. Edelmann

Core-collapse supernovae can be used to place limits on dark matter candidate particles, but the strength of these limits depends on the depth of our theoretical understanding of these astrophysical events. To date, limitations on computing…

Astrophysics · Physics 2017-08-23 Christian Y. Cardall

Unraveling the mechanism for core-collapse supernova explosions is an outstanding computational challenge and the problem remains essentially unsolved despite more than four decades of effort. However, much progress in realistic modeling…

Solar and Stellar Astrophysics · Physics 2015-05-18 S. W. Bruenn , A. Mezzacappa , W. R. Hix , J. M. Blondin , P. Marronetti , O. E. B. Messer , C. J. Dirk , S. Yoshida

We present observational constraints on the nature of core-collapse supernovae through an investigation into their radial distributions with respect to those of young and old stellar populations within their host galaxies, as traced by…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 J. P. Anderson , P. A. James

The last five years have seen growing challenges to the traditional paradigm of a core collapse supernova powered by the neutrino emission of a young proto-neutron star. Chief among these challenges are gamma-ray bursts (GRBs) and the…

Astrophysics · Physics 2009-11-07 S. E. Woosley , W. Zhang , A. Heger
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