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Related papers: Probing the Core-Collapse Supernova Mechanism with…

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One of the most luminous explosions detected, gamma-ray bursts, especially the so-called long-duration bursts, most probably consist of an intrinsic core-collapse to a black hole inside a super massive star. We point out that this collapse…

High Energy Astrophysical Phenomena · Physics 2018-01-23 Antonios Nathanail , Mariafelicia De Laurentis

Core-collapse supernova explosions are driven by a central engine that converts a small fraction of the gravitational binding energy released during core collapse to outgoing kinetic energy. The suspected mode for this energy conversion is…

High Energy Astrophysical Phenomena · Physics 2017-12-25 Evan O'Connor , C. J. Horowitz , Zidu Lin , Sean Couch

Our understanding of the core-collapse supernova explosion mechanism is incomplete. While the favoured scenario is delayed revival of the stalled shock by neutrino heating, it is difficult to reliably compute explosion outcomes and…

High Energy Astrophysical Phenomena · Physics 2022-03-08 Sarah E. Gossan , Jim Fuller , Luke F. Roberts

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

The next generation of gravitational wave detectors will improve the detection prospects for gravitational waves from core-collapse supernovae. The complex astrophysics involved in core-collapse supernovae pose a significant challenge to…

Instrumentation and Methods for Astrophysics · Physics 2019-04-03 Vincent Roma , Jade Powell , Ik Siong Heng , Ray Frey

The new generation of gravitational wave (GW) detectors have the potential to open a novel window onto the violent dynamics of core collapse. Although it is certain that core collapse events generate gravitational radiation, understanding…

Astrophysics · Physics 2007-05-23 Chris L. Fryer , Daniel E. Holz , Scott A. Hughes , Michael S. Warren

We numerically studied the explosion of a supernova caused by supersonic jets present in its center. The jets are assumed to be generated by a magneto-rotational mechanism when a stellar core collapses into a neutron star. We simulated the…

Astrophysics · Physics 2009-10-31 A. M. Khokhlov , P. A. Hoeflich , E. S. Oran , J. C. Wheeler , L. Wang

Gravitational waves from core-collapse supernovae are produced by the excitation of different oscillation modes in the proto-neutron star (PNS) and its surroundings, including the shock. In this work we study the relationship between the…

Solar and Stellar Astrophysics · Physics 2018-07-06 Alejandro Torres-Forné , Pablo Cerdá-Durán , Andrea Passamonti , José A. Font

A mechanism of formation of gravitational waves in the Universe is considered for a nonspherical collapse of matter. Nonspherical collapse results are presented for a uniform spheroid of dust and a finite-entropy spheroid. Numerical…

High Energy Astrophysical Phenomena · Physics 2018-11-07 G. S. Bisnovatyi-Kogan , S. G. Moiseenko

The pursuit of the core collapse supernova explosion mechanism continues. While such efforts have been undertaken over the last four decades, it is only in the last decade that multidimensional models have been developed, and only in the…

Astrophysics · Physics 2007-05-23 Anthony Mezzacappa

A detection of a core-collapse supernova signal with an Advanced LIGO and Virgo gravitational-wave detector network will allow us to measure astrophysical parameters of the source. In real advanced gravitational-wave detector data there are…

High Energy Astrophysical Phenomena · Physics 2018-01-03 Jade Powell , Marek Szczepanczyk , Ik Siong Heng

Core-collapse supernovae (CCSNe) emit powerful gravitational waves (GWs). Since GWs emitted by a source contain information about the source, observing GWs from CCSNe may allow us to learn more about CCSNs. We study if it is possible to…

High Energy Astrophysical Phenomena · Physics 2023-01-25 Ayan Mitra , Bekdaulet Shukirgaliyev , Y. Sultan Abylkairov , Ernazar Abdikamalov

We review the ensemble of anticipated gravitational-wave (GW) emission processes in stellar core collapse and postbounce core-collapse supernova evolution. We discuss recent progress in the modeling of these processes and summarize most…

Astrophysics · Physics 2009-11-19 Christian D. Ott

One of the central problems in supernova theory is the question how massive stars explode. Understanding the physical processes that drive the explosion is crucial for linking the stellar progenitors to the final remnants and for predicting…

Astrophysics · Physics 2007-05-23 H. -Th. Janka , R. Buras , K. Kifonidis , M. Rampp , T. Plewa

Exploiting an improved analysis of the electronic antineutrinos signal from the explosion of a galactic core collapse supernova, we show that it is possible to identify within about ten milliseconds the time of the bounce, which is strongly…

High Energy Physics - Phenomenology · Physics 2009-09-02 G. Pagliaroli , F. Vissani , E. Coccia , W. Fulgione

We review some of the reasons for believing that the generic core-collapse supernova is neutrino-driven, not MHD-jet driven. We include a discussion of the possible role of rotation in supernova blast energetics and morphology, and…

Astrophysics · Physics 2007-05-23 Adam Burrows , Rolf Walder , Christian D. Ott , Eli Livne

The stochastic background of gravitational wave signals arising from the core-collapse supernovae is produced through various complex mechanisms that need detailed and careful investigation. We proposed a simplified multi-peak waveform of…

General Relativity and Quantum Cosmology · Physics 2024-09-27 Sourav Roy Chowdhury , Maxim Khlopov

There are many interesting topics at the intersection of physics and astrophysics we call Supernova Theory. A small subset of them include the origin of pulsar kicks, gravitational radiation signatures of core bounce, and the possible roles…

Astrophysics · Physics 2007-05-23 Adam Burrows , Christian D. Ott , Casey Meakin

We identify a novel physical mechanism that may be responsible for energy release in $\gamma$-ray bursts. Radial perturbations in the neutron core, induced by its collision with collapsing outer layers during the early stages of supernova…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Anastasios Avgoustidis , Raul Jimenez , Luis Alvarez-Gaume , Miguel A. Vazquez-Mozo

The discovery of the GRB-supernova association poses the question on the nature of the inner engine as the outcome of Type Ib/c supernovae. These events are believed to represent core-collapse of massive stars, probably in low-period…

Astrophysics · Physics 2010-11-11 Maurice H. P. M. van Putten