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Core-collapse supernova science is now entering an era where engine models are beginning to make both qualitative and quantitative predictions. Although the evidence in support of the convective engine for core-collapse supernova continues…

High Energy Astrophysical Phenomena · Physics 2018-04-11 Chris L. Fryer , Sydney Andrews , Wesley Even , Alex Heger , Samar Safi-Harb

Gravitational waves from core-collapse supernovae offer a unique probe of the equation of state (EOS) of dense nuclear matter. For rapidly rotating stars, previous machine-learning studies demonstrated promising EOS classification accuracy.…

We suggest the future detection of neutrinos from a Galactic core-collapse supernova can be used to infer the progenitor's inner mass density structure. We present the results from 20 axisymmetric core-collapse supernova simulations…

High Energy Astrophysical Phenomena · Physics 2018-01-30 Shunsaku Horiuchi , Ko Nakamura , Tomoya Takiwaki , Kei Kotake

Measurements of explosive nucleosynthesis yields in core-collapse supernovae provide tests for explosion models. We investigate constraints on explosive conditions derivable from measured amounts of nickel and iron after radioactive decays…

Solar and Stellar Astrophysics · Physics 2015-07-15 A. Jerkstrand , F. X. Timmes , G. Magkotsios , S. A. Sim , C. Fransson , J. Spyromilio , A. Heger , B. Müller , J. Sollerman , S. J. Smartt

We present four ab initio axisymmetric core-collapse supernova simulations for 12, 15, 20, and 25 $M_\odot$ progenitors. All of the simulations yield explosions and have been evolved for at least 1.2 seconds after core bounce and 1 second…

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

For a long time Gerry Brown and his collaborator Hans Bethe considered the question of the final fate of a core collapse (Type II) supernova. Recalling ideas from nuclear structure on Kaon condensate and a soft equation of state of the…

Nuclear Experiment · Physics 2014-05-29 Moshe Gai

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

I use photometry and spectroscopy data for 24 Type II plateau supernovae to examine their observed and physical properties. This dataset shows that these objects encompass a wide range of ~5 mag in their plateau luminosities, their…

Astrophysics · Physics 2010-04-06 Mario Hamuy

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 three-dimensional simulations of core-collapse supernovae using the FLASH code that follow the progression of the explosion to the stellar surface, starting from neutrino-radiation hydrodynamic simulations of the neutrino-driven…

High Energy Astrophysical Phenomena · Physics 2021-11-15 Michael A. Sandoval , W. Raphael Hix , O. E. Bronson Messer , Eric J. Lentz , J. Austin Harris

Models of core-collapse supernova explosions powered by the neutrino-driven mechanism have matured considerable in recent years. Explosions at the low-mass end of the progenitor spectrum can routinely be simulated in 1D, 2D, and 3D and…

Solar and Stellar Astrophysics · Physics 2016-10-05 B. Müller

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 present three-dimensional simulations of the core-collapse of massive rotating and non-rotating progenitors performed with the general relativistic neutrino hydrodynamics code CoCoNuT-FMT and analyse their explosion properties and…

High Energy Astrophysical Phenomena · Physics 2020-05-06 Jade Powell , Bernhard Müller

We analyze a sample of 45 Type II supernovae from the Zwicky Transient Facility (ZTF) public survey using a grid of hydrodynamical models in order to assess whether theoretically-driven forecasts can intelligently guide follow up…

We present an improved version of a light curve model, which is able to estimate the physical properties of different types of core-collapse supernovae having double-peaked light curves, in a quick and efficient way. The model is based on a…

Instrumentation and Methods for Astrophysics · Physics 2016-06-09 Andrea P. Nagy , József Vinkó

We assess the variance of supernova(SN)-like explosions associated with the core collapse of rotating massive stars into a black hole-accretion disc system under changes in the progenitor structure. Our model of the central engine evolves…

High Energy Astrophysical Phenomena · Physics 2024-11-08 Ludovica Crosato Menegazzi , Sho Fujibayashi , Masaru Shibata , Aurore Betranhandy , Koh Takahashi

We perform spherically-symmetric general-relativistic simulations of core collapse and the postbounce preexplosion phase in 32 presupernova stellar models of solar metallicity with zero-age-main-sequence masses of 12 M_{sun} to 120 M_{sun}.…

High Energy Astrophysical Phenomena · Physics 2013-01-31 Evan O'Connor , Christian D. Ott

Neutrino-driven convection plays a crucial role in the development of core-collapse supernova (CCSN) explosions. However, the complex mechanism that triggers the shock revival and the subsequent explosion has remained inscrutable for many…

Solar and Stellar Astrophysics · Physics 2020-06-24 Jordi Casanova , Eirik Endeve , Eric J. Lentz , O. E. Bronson Messer , W. Raphael Hix , J. Austin Harris , Stephen W. Bruenn

The progenitors of hydrogen-poor core-collapse supernovae (SNe) of types Ib, Ic and IIb are believed to have shed their outer hydrogen envelopes either by extremely strong stellar winds, characteristic of classical Wolf-Rayet stars, or by…

High Energy Astrophysical Phenomena · Physics 2016-02-03 T. Heikkilä , S. Tsygankov , S. Mattila , J. J. Eldridge , M. Fraser , J. Poutanen