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We investigate the properties, composition, and dynamics of dust formation and growth for a diverse set of core-collapse supernovae (CCSNe), varying the progenitor mass, explosion energy, and engine type. These explosions are evolved with a…

High Energy Astrophysical Phenomena · Physics 2022-06-01 Ezra S. Brooker , Sarah M. Stangl , Christopher M. Mauney , Christopher L. Fryer

We present an overview of four ab initio axisymmetric core-collapse supernova simulations employing detailed spectral neutrino transport computed with our CHIMERA code and initiated from Woosley & Heger (2007) progenitors of mass 12, 15,…

Nucleosynthetic yield predictions for multi-dimensional simulations of thermonuclear supernovae generally rely on the tracer particle method to obtain isotopic information of the ejected material for a given supernova simulation. We…

Solar and Stellar Astrophysics · Physics 2015-05-19 Ivo Rolf Seitenzahl , Friedrich Röpke , Michael Fink , Rüdiger Pakmor

This is a status report on our endeavor to reveal the mechanism of core-collapse supernovae (CCSNe) by large-scale numerical simulations. Multi-dimensionality of the supernova engine, general relativistic magnetohydrodynamics, energy and…

High Energy Astrophysical Phenomena · Physics 2013-04-29 Kei Kotake , Kohsuke Sumiyoshi , Shoichi Yamada , Tomoya Takiwaki , Takami Kuroda , Yudai Suwa , Hiroki Nagakura

We investigate the impact of asymmetric neutrino-emissions on explosive nucleosynthesis in core-collapse supernovae (CCSNe) of progenitors with a mass range of 9.5 to 25$M_{\odot}$. We perform axisymmetric, hydrodynamic simulations of the…

High Energy Astrophysical Phenomena · Physics 2021-02-03 Shin-ichiro Fujimoto , Hiroki Nagakura

We have developed a relativistic, radiation-hydrodynamics Lagrangian code, specifically tailored to simulate the evolution of the main observables (light curve, evolution of photospheric velocity and temperature) in core-collapse supernova…

Solar and Stellar Astrophysics · Physics 2015-05-30 M. L. Pumo , L. Zampieri

We analyze the properties of 42 rapidly rotating, low metallicity, quasi-chemically homogeneously evolving stellar models in the mass range between 4 and 45 $\,\mathrm{M}_\odot$ at the time of core collapse. Such models were proposed as…

Solar and Stellar Astrophysics · Physics 2020-10-07 David R. Aguilera-Dena , Norbert Langer , John Antoniadis , Bernhard Müller

Much progress in realistic modeling of core-collapse supernovae has occurred recently through the availability of multi-teraflop machines and the increasing sophistication of supernova codes. These improvements are enabling simulations with…

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 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…

We study theoretical neutrino signals from core-collapse supernova (CCSN) computed using axisymmetric CCSN simulations that cover the post-bounce phase up to $\sim 4$~s. We provide basic quantities of the neutrino signals such as event…

High Energy Astrophysical Phenomena · Physics 2021-07-14 Hiroki Nagakura , Adam Burrows , David Vartanyan

The explosion of core-collapse supernovae (CCSNe) is an extremely challenging problem, and there are still large uncertainties regarding which stars lead to successful explosions that leave behind a neutron star, and which ones will form a…

High Energy Astrophysical Phenomena · Physics 2024-12-30 Luca Boccioli , Giacomo Fragione

We present neutrino-transport hydrodynamic simulations of electron-capture supernovae (ECSNe) in \texttt{FLASH} with new two-dimensional (2D) collapsing progenitor models. These progenitor models feature the 2D modelling of oxygen-flame…

High Energy Astrophysical Phenomena · Physics 2022-06-14 Shuai Zha , Evan P. O'Connor , Sean M. Couch , Shing-Chi Leung , Ken'ichi Nomoto

Recent observational advances have enabled high resolution mapping of ${^{44}}$Ti in core-collapse supernova (CCSN) remnants. Comparisons between observations and models provide stringent constraints on the CCSN mechanism. However, past…

High Energy Astrophysical Phenomena · Physics 2020-07-22 Shiv K. Subedi , Zach Meisel , Grant Merz

Using our new state-of-the-art core-collapse supernova (CCSN) code Fornax, we explore the dependence upon spatial resolution of the outcome and character of three-dimensional (3D) supernova simulations. For the same 19-M$_{\odot}$…

High Energy Astrophysical Phenomena · Physics 2019-10-09 Hiroki Nagakura , Adam Burrows , David Radice , David Vartanyan

We present an overview of two-dimensional (2D) core-collapse supernova simulations employing neutrino transport scheme by the isotropic diffusion source approximation. We study 101 solar-metallicity, 247 ultra metal-poor, and 30 zero-metal…

High Energy Astrophysical Phenomena · Physics 2015-10-28 Ko Nakamura , Tomoya Takiwaki , Takami Kuroda , Kei Kotake

Supernova remnants (SNRs) play a central role in shaping the interstellar medium. Core-Collapse Supernova (CCSN) progenitors are massive stars, which produce a dense circumstellar medium (CSM) through intense mass loss in post-main sequence…

Solar and Stellar Astrophysics · Physics 2026-05-07 C. J. K. Larkin , J. Mackey , B. Reville , H. Jin , N. Langer , A. A. C. Sander

Self-consistent, multidimensional core-collapse supernova (SN) simulations, especially in 3D, have achieved tremendous progress over the past 10 years. They are now able to follow the entire evolution from core collapse through bounce,…

High Energy Astrophysical Phenomena · Physics 2026-02-13 H. -Thomas Janka

Neutrinos play a crucial role in the core-collapse supernova (CCSN) explosion mechanism. The requirement of accurately calculating the transport of neutrinos makes simulations of the CCSN mechanism extremely challenging and computationally…

High Energy Astrophysical Phenomena · Physics 2018-12-05 Kuo-Chuan Pan , Carlos Mattes , Evan P. O'Connor , Sean M. Couch , Albino Perego , Almudena Arcones

We present a new set of presupernova evolutions and explosive yields of massive stars of initial solar composition (Y=0.285, Z=0.02) in the mass range 13-35 Msun. All the models have been computed with the latest version (4.97) of the…

Astrophysics · Physics 2009-11-07 M. Limongi , A. Chieffi

During the first few hundred days after the explosion, core-collapse supernovae (SNe) emit down-scattered X-rays and gamma-rays originating from radioactive line emissions, primarily from the $^{56}$Ni $\rightarrow$ $^{56}$Co $\rightarrow$…