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Type Ia supernovae are associated with thermonuclear explosions of white dwarf stars. Combustion processes convert material in nuclear reactions and release the energy required to explode the stars. At the same time, they produce the…

Solar and Stellar Astrophysics · Physics 2018-04-25 Friedrich K. Roepke

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

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

Observations show that at least some gamma-ray bursts (GRBs) happen simultaneously with core-collapse supernovae (SNe), thus linking by a common thread nature's two grandest explosions. We review here the growing evidence for and…

Astrophysics · Physics 2008-11-26 S. E. Woosley , J. S. Bloom

During the process of collapse of a massive star, a cavity is generated between the central iron core and an outer stellar envelope. The dynamics of this cavity, filled with plasma and magnetic field of the rapidly rotating proto-magnetar's…

High Energy Astrophysical Phenomena · Physics 2012-10-18 K. H. Tsui , C. E. Navia

This chapter concentrates on the deaths of very massive stars, the events leading up to their deaths, and how mass loss affects the resulting death. The previous three chapters emphasized the theory of wind mass loss, eruptions, and core…

Solar and Stellar Astrophysics · Physics 2015-06-22 Nathan Smith

Herein, we review the nuclear equations of state (EOSs) %for core-collapse supernova simulations and the constituent nuclei of core-collapse supernovae (CCSNe) and their roles in CCSN simulations. Various nuclei such as deuterons, iron, and…

Nuclear Theory · Physics 2022-12-20 Shun Furusawa , Hiroki Nagakura

We investigate effects of aspherical energy deposition in core-collapse supernovae on the light curve of the supernova shock breakout. We performed two-dimensional hydrodynamical calculations of an aspherical supernova explosion to obtain…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Akihiro Suzuki , Toshikazu Shigeyama

We discuss results of 2D simulations of magnetorotational(MR) mechanism of core collapse supernova explosions. Due to the nonuniform collapse the collapsed core rotates differentially. In the presence of initial poloidal magnetic field its…

Astrophysics · Physics 2009-06-23 S. G. Moiseenko , G. S. Bisnovatyi-Kogan

Massive stars are essential to understand a variety of branches of astronomy including galaxy and star cluster evolution, nucleosynthesis and supernovae, pulsars and black holes. It has become evident that massive star evolution is very…

Solar and Stellar Astrophysics · Physics 2012-12-13 N. Langer

Core-collapse supernovae (CCSNe) are the explosive end-points of stellar evolution for $M_{ZAMS} \gtrsim 8$ $M_\odot$ stars. The cores of these stars collapse to neutron stars, a process in which high neutrino luminosity drives off the…

High Energy Astrophysical Phenomena · Physics 2025-03-06 Anders Jerkstrand , Dan Milisavljevic , Bernhard Müller

The polarization of core-collapse supernovae shows that many if not all of these explosions must be strongly bi-polar. The most obvious way to produce this axial symmetry is by the imposition of a jet as an intrinsic part of the explosion…

Astrophysics · Physics 2009-10-31 J. Craig Wheeler , Peter Hoeflich , Lifan Wang , Insu Yi

We provide a detailed description of the Chimera code, a code developed to model core collapse supernovae in multiple spatial dimensions. The core collapse supernova explosion mechanism remains the subject of intense research. Progress to…

In contrast to regular core-collapse supernovae, explosions of rapidly rotating massive stars can develop jets, fast collimated outflows directed along the rotational axis. Depending on the rate of rotation and the magnetic field strength…

High Energy Astrophysical Phenomena · Physics 2023-03-23 M. Obergaulinger , M. Reichert

The explosion mechanism of core-collapse supernovae has not been fully understood yet but multi-dimensional fluid instabilities such as standing accretion shock instability (SASI) and convection are now believed to be crucial for shock…

High Energy Astrophysical Phenomena · Physics 2017-02-08 Kazuya Takahashi , Wakana Iwakami , Yu Yamamoto , Shoichi Yamada

We explore a possible scenario of the explosion as a result of core collapses of rotating massive stars that leave a black hole by performing a radiation-viscous-hydrodynamics simulation in numerical relativity. We take moderately and…

High Energy Astrophysical Phenomena · Physics 2023-09-06 Sho Fujibayashi , Yuichiro Sekiguchi , Masaru Shibata , Shinya Wanajo

Type Ia supernovae have become an indispensable tool for studying the expansion history of the universe, yet our understanding of the explosion mechanism is still incomplete. We describe the variety of discussed scenarios, sketch the most…

Astrophysics · Physics 2007-05-23 J. C. Niemeyer , M. Reinecke , W. Hillebrandt

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

Vastly different time and length scales are a common problem in numerical simulations of astrophysical phenomena. Here, we present an approach to numerical modeling of such objects on the example of Type Ia supernova simulations. The…

Astrophysics · Physics 2008-02-06 F. K. Roepke

The mass distribution of neutron stars and stellar-mass black holes provides vital clues into the nature of stellar core collapse and the physical engine responsible for supernova explosions. Using recent advances in our understanding of…

Solar and Stellar Astrophysics · Physics 2015-05-30 C. L. Fryer , K. Belczynski , G. Wiktorowicz , M. Dominik , V. Kalogera , D. Holz