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The quantitative impact of strong rotation on the amplitudes and frequencies of the post-bounce gravitational wave (GW) signal from core-collapse supernovae (CCSNe) is still not fully understood. To study trends in frequencies and…

High Energy Astrophysical Phenomena · Physics 2025-12-09 Bailey Sykes , Bernhard Müller

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…

Core-collapse supernovae (CCSNe) are powerful sources of gravitational waves (GWs). These signals propagate essentially unobstructed, providing a unique probe of the supernova central engine. In this work, we investigate parameter…

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

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 test deep-learning (DL) techniques for the analysis of rotational core-collapse supernovae (CCSN) gravitational-wave (GW) signals by performing classification and parameter inference of the maximum (peak) frequency and the GW strain…

High Energy Astrophysical Phenomena · Physics 2024-10-07 Solange Nunes , Gabriel Escrig , Osvaldo G. Freitas , José A. Font , Tiago Fernandes , Antonio Onofre , Alejandro Torres-Forné

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…

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

We present for the first time an analysis of high-frequency gravitational wave (GW) emission from proto-neutron stars (PNS) in core collapse supernovae (CCSN) that combines spatial decomposition and modal decomposition to both source and…

High Energy Astrophysical Phenomena · Physics 2025-07-08 R. Daniel Murphy , Anthony Mezzacappa , Eric J. Lentz , Pedro Marronetti

Core-collapse supernovae (CCSNe) are a potential source for ground-based gravitational wave detectors, as their predicted emission peaks in the detectors' frequency band. Typical searches for gravitational wave bursts reconstruct signals…

Instrumentation and Methods for Astrophysics · Physics 2019-06-26 Sofia Suvorova , Jade Powell , Andrew Melatos

We analyze the directional dependence of the gravitational wave (GW) emission from 15 3D neutrino radiation hydrodynamic simulations of core-collapse supernovae. Using spin weighted spherical harmonics, we develop a new analytic technique…

High Energy Astrophysical Phenomena · Physics 2023-10-27 Michael A. Pajkos , Steven J. VanCamp , Kuo-Chuan Pan , David Vartanyan , Nils Deppe , Sean M. Couch

We describe a search and classification procedure for gravitational waves emitted by core-collapse supernova (CCSN) explosions, using a convolutional neural network (CNN) combined with an event trigger generator known as Wavelet Detection…

General Relativity and Quantum Cosmology · Physics 2020-01-03 Alberto Iess , Elena Cuoco , Filip Morawski , Jade Powell

The gravitational waves (GW) from core-collapse supernovae (CCSN) have been proposed as a probe to investigate physical properties inside of the supernova. However, how to search and extract the GW signals from core-collapse supernovae…

High Energy Astrophysical Phenomena · Physics 2024-02-23 Yong Yuan , Xi-Long Fan , Hou-Jun Lü , Yang-Yi Sun , Kai Lin

In this work we report briefly on the gravitational wave (GW) signal computed in the context of a self-consistent, 3D simulation of a core-collapse supernova (CCSN) explosion of a 15M$_\odot$ progenitor star. We present a short overview of…

We present predictions for the gravitational-wave (GW) emission of three-dimensional supernova (SN) simulations performed for a 15 solar-mass progenitor with the Prometheus-Vertex code using energy-dependent, three-flavor neutrino…

High Energy Astrophysical Phenomena · Physics 2019-05-14 H. Andresen , E. Müller , H. -Th. Janka , A. Summa , K. Gill , M. Zanolin

Abridged: Using a suite of progenitor models, neutrino luminosities, and two- dimensional (2D) simulations, we investigate the matter gravitational-wave (GW) emission from postbounce phases of neutrino-driven core-collapse supernovae…

Solar and Stellar Astrophysics · Physics 2015-05-13 Jeremiah W. Murphy , Christian D. Ott , Adam Burrows

Galactic core-collapse supernovae (CCSNe) are a target for current generation gravitational wave detectors with an expected rate of 1-3 per century. The development of data analysis methods used for their detection relies deeply on the…

High Energy Astrophysical Phenomena · Physics 2025-01-22 Pablo Cerdá-Durán , Melissa López , Alessandro Favali , Irene Di Palma , Marco Drago , Fulvio Ricci

The advent of sensitive gravitational wave (GW) detectors, coupled with wide-field, high cadence optical time-domain surveys, raises the possibility of the first joint GW-electromagnetic (EM) detections of core-collapse supernovae (CCSNe).…

High Energy Astrophysical Phenomena · Physics 2022-06-15 Kiranjyot Gill , Griffin Hosseinzadeh , Edo Berger , Michele Zanolin , Marek Szczepanczyk

Nearby core-collapse supernovae (CCSNe) are powerful multi-messenger sources for gravitational-wave, neutrino and electromagnetic telescopes as they emit gravitational waves in the ideal frequency band for ground based detectors. Once a…

High Energy Astrophysical Phenomena · Physics 2022-04-06 Jade Powell , Bernhard Müller

Recent core-collapse supernova (CCSN) simulations have predicted several distinct features in gravitational-wave (GW) spectrograms, including a ramp-up signature due to the g-mode oscillation of the proto-neutron star (PNS) and an excess in…

High Energy Astrophysical Phenomena · Physics 2018-11-14 Hajime Kawahara , Takami Kuroda , Tomoya Takiwaki , Kazuhiro Hayama , Kei Kotake
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