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We have computed the gravitational wave signal from supernova core collapse using the presently most realistic input physics available. We start from state-of-the-art progenitor models of rotating and non-rotating massive stars, and…

Astrophysics · Physics 2009-11-10 Ewald Mueller , Markus Rampp , Robert Buras , H. -Thomas Janka , David H. Shoemaker

We present a new theory for the gravitational wave signatures of core-collapse supernovae. Previous studies identified axisymmetric rotating core collapse, core bounce, postbounce convection, and anisotropic neutrino emission as the primary…

Astrophysics · Physics 2009-11-11 Christian D. Ott , Adam Burrows , Luc Dessart , Eli Livne , ;

The eventual detection of gravitational waves from core-collapse supernovae (CCSN) will help improve our current understanding of the explosion mechanism of massive stars. The stochastic nature of the late post-bounce gravitational wave…

We summarize our current understanding of gravitational wave emission from core-collapse supernovae. We review the established results from multi-dimensional simulations and, wherever possible, provide back-of-the-envelope calculations to…

Solar and Stellar Astrophysics · Physics 2022-04-05 Ernazar Abdikamalov , Giulia Pagliaroli , David Radice

By performing a series of two-dimensional, special relativistic magnetohydrodynamic (MHD) simulations, we study signatures of gravitational waves (GWs) in the magnetohydrodynamically-driven core-collapse supernovae. In order to extract the…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Tomoya Takiwaki , Kei Kotake

Gravitational wave signals from core-collapse supernovae are one of the important observables for extracting the information of dense matter. To extract the properties of proto-neutron stars produced via core-collapse supernovae by…

High Energy Astrophysical Phenomena · Physics 2024-06-26 Hajime Sotani , Bernhard Müller , Tomoya Takiwaki

We investigate the gravitational waves (GWs) at low frequencies produced by neutrinos that are emitted anisotropically from the proto-neutron star (PNS) during its cooling phase that lasts about a minute. We first give a formulation based…

High Energy Astrophysical Phenomena · Physics 2022-06-28 Lei Fu , Shoichi Yamada

We study gravitational waves (GWs) from a set of two-dimensional multi-group neutrino radiation hydrodynamic simulations of core-collapse supernovae (CCSNe). Our goal is to systematize the current knowledge about the post-bounce CCSN GW…

High Energy Astrophysical Phenomena · Physics 2018-07-11 Viktoriya Morozova , David Radice , Adam Burrows , David Vartanyan

Gravitational waves (GWs) provide unobscured insight into the birthplace of neutron stars (NSs) and black holes in core-collapse supernovae (CCSNe). The nuclear equation of state (EOS) describing these dense environments is yet uncertain,…

High Energy Astrophysical Phenomena · Physics 2022-01-05 Oliver Eggenberger Andersen , Shuai Zha , André da Silva Schneider , Aurore Betranhandy , Sean M. Couch , Evan P. O'Connor

The detection of gravitational waves from a core-collapse supernova in the Milky Way or its vicinity represents a unique opportunity to probe the inner workings of these explosions. In this review, I briefly summarize our current…

High Energy Astrophysical Phenomena · Physics 2026-03-26 Bernhard Müller

Core-collapse supernovae are sources of powerful gravitational waves (GWs). We assess the possibility of extracting information about the equation of state (EOS) of high density matter from the GW signal. We use the bounce and early…

High Energy Astrophysical Phenomena · Physics 2024-04-09 Ayan Mitra , Daniil Orel , Y. Sultan Abylkairov , Bekdaulet Shukirgaliyev , Ernazar Abdikamalov

We study the properties of the gravitational wave (GW) emission between $10^{-5}$ Hz and $50$ Hz (which we refer to as low-frequency emission) from core-collapse supernovae, in the context of studying such signals in laser interferometric…

High Energy Astrophysical Phenomena · Physics 2022-05-18 Colter Richardson , Michele Zanolin , Haakon Andresen , Marek J. Szczepańczyk , Kiranjyot Gill , Annop Wongwathanarat

The gravitational wave (GW) signal resulting from stellar core collapse encodes a wealth of information about the physical parameters of the progenitor star and the resulting core-collapse supernova (CCSN). We present a novel approach to…

High Energy Astrophysical Phenomena · Physics 2021-06-24 Michael A. Pajkos , MacKenzie L. Warren , Sean M. Couch , Evan P. O'Connor , Kuo-Chuan Pan

Using the numerical simulation data for two-dimensional core-collapse supernova, we examine the protoneutron star (PNS) asteroseismology with the relativistic Cowling approximation. As shown in the previous study, the gravitational wave…

High Energy Astrophysical Phenomena · Physics 2021-12-15 Hajime Sotani , Tomoya Takiwaki , Hajime Togashi

We examine the frequencies of the fundamental ($f$-) and the gravity ($g_i$-) mode in gravitational waves from accreting protoneutron stars (PNSs) toward black hole formation. For this purpose, we analyze numerical results of gravitational…

High Energy Astrophysical Phenomena · Physics 2019-10-17 Hajime Sotani , Kohsuke Sumiyoshi

The gravitational wave signal arising from the collapsing iron core of a Type II supernova progenitor star carries with it the imprint of the progenitor's mass, rotation rate, degree of differential rotation, and the bounce depth. Here, we…

Astrophysics · Physics 2011-03-28 T. Z. Summerscales , Adam Burrows , Christian D. Ott , Lee Samuel Finn

We present the gravitational wave predictions from two-dimensional core collapse supernova (CCSN) simulations initiated from two nearly identical progenitors that have significantly different internal structures due to their late-stage…

We study the gravitational wave signal from eight new 3D core-collapse supernova simulations. We show that the signal is dominated by $f$- and $g$-mode oscillations of the protoneutron star and its frequency evolution encodes the…

High Energy Astrophysical Phenomena · Physics 2019-04-30 David Radice , Viktoriya Morozova , Adam Burrows , David Vartanyan , Hiroki Nagakura

The collapse of massive stars not only produces observable outbursts across the entire electromagnetic spectrum but, for Galactic (or near-Galactic) supernovae, detectable signals for ground-based neutrino and gravitational wave detectors.…

Astrophysics · Physics 2011-05-12 Chris L. Fryer , Daniel E. Holz , Scott A. Hughes

We present a broadband spectrum of gravitational waves from core-collapse supernovae (CCSNe) sourced by neutrino emission asymmetries for a series of full 3D simulations. The associated gravitational wave strain probes the long-term secular…

High Energy Astrophysical Phenomena · Physics 2020-10-07 David Vartanyan , Adam Burrows