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Recent observations of supernovae, supernova remnants, and radio pulsars suggest that there are correlations between pulsar kicks and spins, infrared and gamma-ray line profiles, supernova polarizations, and ejecta debris fields. A…

Astrophysics · Physics 2007-05-23 Adam Burrows

Presupernova evolution and explosive nucleosynthesis in massive stars for main-sequence masses from 13 $M_\odot$ to 70 $M_\odot$ are calculated. We examine the dependence of the supernova yields on the stellar mass, $^{12}C(\alpha, \gamma)…

Astrophysics · Physics 2009-10-30 K. Nomoto , M. Hashimoto , T. Tsujimoto , F. -K. Thielemann , N. Kishimoto , Y. Kubo

In this paper, we derive correlations between core-collapse supernova observables and progenitor core structures that emerge from our suite of twenty state-of-the-art 3D core-collapse supernova simulations carried to late times. This is the…

High Energy Astrophysical Phenomena · Physics 2024-03-14 Adam Burrows , Tianshu Wang , David Vartanyan

We explore the sensitivity of the nucleosynthesis due to type Ia supernovae with respect to uncertainties in nuclear reaction rates. We have adopted a standard one-dimensional delayed detonation model of the explosion of a…

Solar and Stellar Astrophysics · Physics 2012-05-22 Eduardo Bravo , Gabriel Martínez-Pinedo

We present a comparison between several simulation codes designed to study the core-collapse supernova mechanism. We pay close attention to controlling the initial conditions and input physics in order to ensure a meaningful and informative…

The explosion energy of thermonuclear (Type Ia) supernovae is derived from the difference in nuclear binding energy liberated in the explosive fusion of light 'fuel' nuclei, predominantly carbon and oxygen, into more tightly bound nuclear…

Solar and Stellar Astrophysics · Physics 2018-04-25 Ivo R. Seitenzahl , Dean M. Townsley

Aims: We present neutrino light curves and energy spectra for two representative type Ia supernova explosion models: a pure deflagration and a delayed detonation. Methods: We calculate the neutrino flux from $\beta$ processes using nuclear…

Solar and Stellar Astrophysics · Physics 2011-03-29 A. Odrzywolek , T. Plewa

We investigate neutrino-driven convection in core collapse supernovae and its ramifications for the explosion mechanism, for a 15 solar mass model. Our two-dimensional simulation begins at 12 ms after bounce and proceeds for 500 ms. We…

1D and 2D supernova simulations for stars between 11 and 25 solar masses are presented, making use of the Prometheus/Vertex neutrino-hydrodynamics code, which employs a full spectral treatment of the neutrino transport. Multi-dimensional…

Astrophysics · Physics 2009-11-11 R. Buras , H. -Th. Janka , M. Rampp , K. Kifonidis

This is the second paper of a series which aims at quantifying the uncertainties in chemical evolution model predictions related to the underlying model assumptions. Specifically, it deals with the uncertainties due to the choice of the…

Astrophysics of Galaxies · Physics 2015-05-19 D. Romano , A. I. Karakas , M. Tosi , F. Matteucci

Details of the explosion mechanism of core-collapse supernovae (CCSNe) are not yet fully understood. There is now an increasing number of successful examples of reproducing explosions in the first-principles simulations, which have shown a…

High Energy Astrophysical Phenomena · Physics 2021-02-11 Ryo Sawada , Yudai Suwa

We study the dependence of the delayed neutrino-heating mechanism for core-collapse supernovae on the equation of state. Using a simplified treatment of the neutrino physics with a parameterized neutrino luminosity, we explore the…

High Energy Astrophysical Phenomena · Physics 2013-07-29 Sean M. Couch

By implementing widely-used equations of state (EOS) from Lattimer & Swesty (LS) and H. Shen et al. (SHEN) in core-collapse supernova simulations, we explore possible impacts of these EOS on the post-bounce dynamics prior to the onset of…

High Energy Astrophysical Phenomena · Physics 2015-03-20 Yudai Suwa , Tomoya Takiwaki , Kei Kotake , Tobias Fischer , Matthias Liebendoerfer , Katsuhiko Sato

We investigate hydrodynamical and nucleosynthetic properties of the jet-induced explosion of a population III $40M_\odot$ star and compare the abundance patterns of the yields with those of the metal-poor stars. We conclude that (1) the…

Astrophysics · Physics 2009-11-13 Nozomu Tominaga , Hideyuki Umeda , Keiichi Maeda , Nobuyuki Iwamoto , Ken'ichi Nomoto

We review the nucleosynthesis yields of core-collapse supernovae (SNe) for various stellar masses, explosion energies, and metallicities. Comparison with the abundance patterns of metal-poor stars provides excellent opportunities to test…

Astrophysics · Physics 2009-06-23 K. Nomoto , N. Tominaga , M. Tanaka , K. Maeda , H. Umeda

The nebular phase of a supernova (SN) occurs several months to years after the explosion, with asymmetries created by the explosion encoded into the line profiles of the emission lines. To make accurate predictions for these line profiles,…

High Energy Astrophysical Phenomena · Physics 2026-05-05 Bart F. A. van Baal , Anders Jerkstrand , Daniel Kresse , Hans-Thomas Janka

We investigate observable signatures of a first-order quantum chromodynamics (QCD) phase transition in the context of core collapse supernovae. To this end, we conduct axially symmetric numerical relativity simulations with multi-energy…

High Energy Astrophysical Phenomena · Physics 2022-01-19 Takami Kuroda , Tobias Fischer , Tomoya Takiwaki , Kei Kotake

We perform five 3D magnetohydrodynamic (MHD) core-collapse supernova simulations for non-rotating progenitors between 9.5 $M_\odot$ and 24 $M_\odot$. Four of the five models produce explosions while one fails. The exploding models are…

High Energy Astrophysical Phenomena · Physics 2024-12-03 Bailey Sykes , Bernhard Müller

Magnetorotational supernovae are a rare type of core-collapse supernovae where the magnetic field and rotation play a central role in the dynamics of the explosion. We present the post-processed nucleosynthesis of state-of-the-art…

High Energy Astrophysical Phenomena · Physics 2022-11-30 Moritz Reichert , Martin Obergaulinger , Miguel-Angel Aloy , Michael Gabler , Almudena Arcones , Friedrich-Karl Thielemann

We analyze the nucleosynthesis yields of various Type Ia supernova explosion simulations including pure detonations in sub- Chandrasekhar mass white dwarfs, double detonations and pure helium detonations of sub-Chandrasekhar mass white…

Solar and Stellar Astrophysics · Physics 2021-01-04 F. Lach , F. K. Roepke , I. R. Seitenzahl , B. Coté , S. Gronow , A. J. Ruiter
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