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Growth of Rayleigh-Taylor (R-T) instabilities under the axisymmetric explosion are investigated by two-dimensional hydrodynamical calculations. The degree of the axisymmetric explosion and amplitude of the initial perturbation are varied…

Astrophysics · Physics 2009-10-30 Shigehiro Nagataki , Tetsuya Shimizu , Katsuhiko Sato

We present in this paper a public data release of an unprecedentedly-large set of core-collapse supernova (CCSN) neutrino emission models, comprising one hundred detailed 2D-axisymmetric radiation-hydrodynamic simulations evolved out to as…

High Energy Astrophysical Phenomena · Physics 2023-07-19 David Vartanyan , Adam Burrows

Based on an extensive grid of stellar models between 13 and 25 Mo and a wide range of metallicities, we have studied the light curves of core collapse supernovae, their application to cosmology and evolutionary effects with redshift. The…

Astrophysics · Physics 2016-08-30 A. Chieffi , I. Dominguez , P. Hoeflich , M. Limongi , O. Straniero

Superluminous supernovae are among the most energetic stellar explosions in the Universe, but their energy sources remain an open question. Here we present long-term observations of one of the closest examples of the hydrogen-poor subclass…

Core-collapse explosions of massive stars leave behind neutron stars, with a known diversity that includes the "Central Compact Objects" (CCOs). Typified by the neutron star discovered near the centre of the Cas A supernova remnant (SNR),…

High Energy Astrophysical Phenomena · Physics 2023-08-29 Chelsea Braun , Samar Safi-Harb , Chris Fryer , Ping Zhou

We present the first three-dimensional study of the asymptotic ejecta distributions for a suite of theoretical Type IIp supernovae originating from red supergiant progenitors. We simulate using the radiation-hydrodynamic code F{\sc{ornax}}…

High Energy Astrophysical Phenomena · Physics 2025-09-23 David Vartanyan , Adam Burrows , Lizzy Teryoshin , Tianshu Wang , Daniel Kasen , Benny Tsang , Matthew S. B. Coleman

We present self-consistent, axisymmetric core-collapse supernova simulations performed with the Prometheus-Vertex code for 18 pre-supernova models in the range of 11-28 solar masses, including progenitors recently investigated by other…

Solar and Stellar Astrophysics · Physics 2016-07-06 Alexander Summa , Florian Hanke , Hans-Thomas Janka , Tobias Melson , Andreas Marek , Bernhard Müller

We provide yields from 189 neutrino-driven core-collapse supernova (CCSN) simulations covering zero-age main sequence masses between 11 and 75 solar masses and three different metallicities. Our CCSN simulations have two main advantages…

High Energy Astrophysical Phenomena · Physics 2025-01-15 Finia P. Jost , Marta Molero , Gerard Navó , Almudena Arcones , Martin Obergaulinger , Francesca Matteucci

We present an initial report on 160 simulations of a highly simplified model of the post-bounce core-collapse supernova environment in three spatial dimensions (3D). We set different values of a parameter characterizing the impact of…

High Energy Astrophysical Phenomena · Physics 2016-06-16 Christian Y. Cardall , Reuben D. Budiardja

In this paper, we present the results of our three-dimensional, multi-group, multi-neutrino-species radiation/hydrodynamic simulation using the state-of-the-art code F{\sc{ornax}} of the terminal dynamics of the core of a non-rotating…

High Energy Astrophysical Phenomena · Physics 2018-10-10 David Vartanyan , Adam Burrows , David Radice , Aaron Skinner , Joshua Dolence

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…

Based on our recent three-dimensional core-collapse supernova (CCSN) simulations including both exploding and non-exploding models, we study the detailed neutrino signals in representative terrestrial neutrino observatories,…

High Energy Astrophysical Phenomena · Physics 2020-10-28 Hiroki Nagakura , Adam Burrows , David Vartanyan , David Radice

We perform hydrodynamic supernova simulations in spherical symmetry for over 100 single stars of solar metallicity to explore the progenitor-explosion and progenitor-remnant connections established by the neutrino-driven mechanism. We use…

Solar and Stellar Astrophysics · Physics 2015-06-05 Marcella Ugliano , H. -Thomas Janka , Andreas Marek , Almudena Arcones

Core-collapse supernovae are connected with formation of neutron stars. Part of the gravitation energy is transformed into the energy of the explosion, observed in SN II, SN Ib,c type supernovae. The mechanism of transformation is not…

Astrophysics · Physics 2007-05-23 G. S. Bisnovatyi-Kogan , S. G. Moiseenko , N. V. Ardeljan

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

Three-dimensional simulations of core-collapse supernovae are granting new insight into the as-yet uncertain mechanism that drives successful explosions. While there is still debate about whether explosions are obtained more easily in 3D…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Sean M. Couch , Evan P. O'Connor

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 study the effects of rotation on the dynamics, energetics and Ni-56 production of Pair Instability Supernova explosions by performing rotating two-dimensional ("2.5-D") hydrodynamics simulations. We calculate the evolution of eight low…

High Energy Astrophysical Phenomena · Physics 2015-06-17 E. Chatzopoulos , J. C. Wheeler , S. M. Couch

We present 3D full-sphere supernova simulations of non-rotating low-mass (~9 Msun) progenitors, covering the entire evolution from core collapse through bounce and shock revival, through shock breakout from the stellar surface, until…

High Energy Astrophysical Phenomena · Physics 2020-06-24 G. Stockinger , H. -Th. Janka , D. Kresse , T. Melson , T. Ertl , M. Gabler , A. Gessner , A. Wongwathanarat , A. Tolstov , S. -C. Leung , K. Nomoto , A. Heger

Uncertainties in our knowledge of the properties of dense matter near and above nuclear saturation density are among the main sources of variations in multi-messenger signatures predicted for core-collapse supernovae (CCSNe) and the…

High Energy Astrophysical Phenomena · Physics 2019-11-13 A. S. Schneider , L. F. Roberts , C. D. Ott , E. O'connor