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We present a follow-up method based on supervised machine learning (ML) to improve the performance in the search of gravitational wave (GW) burts from core-collapse supernovae (CCSNe) using the coherent WaveBurst (cWB) pipeline. The ML…

General Relativity and Quantum Cosmology · Physics 2022-05-11 Javier M. Antelis , Marco Cavaglia , Travis Hansen , Manuel D. Morales , Claudia Moreno , Soma Mukherjee , Marek J. Szczepańczyk , Michele Zanolin

A detection of a core-collapse supernova (CCSN) gravitational-wave (GW) signal with an Advanced LIGO and Virgo detector network may allow us to measure astrophysical parameters of the dying massive star. GWs are emitted from deep inside the…

High Energy Astrophysical Phenomena · Physics 2017-01-04 Jade Powell , Sarah E. Gossan , Joshua Logue , Ik Siong Heng

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

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

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

We demonstrate how a morphological veto involving Bayesian statistics can improve the receiver-operating characteristic (ROC) curves of the current search for core-collapse supernovae (CCSNe) as implemented by the coherent Waveburst (cWB)…

High Energy Astrophysical Phenomena · Physics 2018-02-22 Kiranjyot Gill , Wenhui Wang , Oscar Valdez , Marek Szczepanczyk , Michele Zanolin , Soma Mukherjee

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

Core-Collapse Supernovae (CCSNe) remain a critical focus in the search for gravitational waves (GWs) in modern astronomy. Their detection and subsequent analysis will enhance our understanding of the explosion mechanisms in massive stars.…

Instrumentation and Methods for Astrophysics · Physics 2025-02-04 Zhicheng Pan , El Mehdi Zahraoui , Guillermo Cabrera-Guerrero , Patricio Maturana-Russel

The gravitational wave (GW) and neutrino signals from core-collapse supernovae (CCSNe) are expected to carry pronounced imprints of the standing accretion shock instability (SASI). We investigate whether the correlation between the SASI…

High Energy Astrophysical Phenomena · Physics 2023-11-23 Marco Drago , Haakon Andresen , Irene Di Palma , Irene Tamborra , Alejandro Torres-Forné

The next galactic core-collapse supernova (CCSN) has already exploded, and its electromagnetic (EM) waves, neutrinos, and gravitational waves (GWs) may arrive at any moment. We present an extensive study on the potential sensitivity of…

High Energy Astrophysical Phenomena · Physics 2016-07-11 S. E. Gossan , P. Sutton , A. Stuver , M. Zanolin , K. Gill , C. D. Ott

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 investigate the stochastic gravitational wave background (SGWB) from neutrino-dominated accretion flows (NDAFs) based on the results of our fallback core-collapse supernova (CCSN) simulations. We find that the predicted SGWB is mainly…

High Energy Astrophysical Phenomena · Physics 2024-08-02 Yun-Feng Wei , Tong Liu

$Context.$ Core-collapse supernovae (CCSNe) are expected to emit gravitational wave signals that could be detected by current and future generation interferometers within the Milky Way and nearby galaxies. The stochastic nature of the…

Instrumentation and Methods for Astrophysics · Physics 2023-01-24 Alberto Iess , Elena Cuoco , Filip Morawski , Constantina Nicolaou , Ofer Lahav

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

Gravitational waves (GWs) can provide crucial information about the central engines of core-collapse supernovae (CCSNe). In order to unveil the nature of GW emission in CCSNe, we apply perturbative analyses with the same underlying…

High Energy Astrophysical Phenomena · Physics 2024-04-19 Shuai Zha , Oliver Eggenberger Andersen , Evan P. O'Connor

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

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

Detecting unmodeled gravitational wave (GW) bursts presents significant challenges due to the lack of accurate waveform templates required for matched-filtering techniques. A primary difficulty lies in distinguishing genuine signals from…

General Relativity and Quantum Cosmology · Physics 2025-09-17 Matteo Pracchia , Sacha Peters , Maxime Fays

Using predictions from three-dimensional (3D) hydrodynamics simulations of core-collapse supernovae (CCSNe), we present a coherent network analysis to detection, reconstruction, and the source localization of the gravitational-wave (GW)…

High Energy Astrophysical Phenomena · Physics 2015-12-31 Kazuhiro Hayama , Takami Kuroda , Kei Kotake , Tomoya Takiwaki

Gravitational wave (GW) astronomy truly began with the detection of merging compact binaries. The next breakthrough lies in detecting GWs from core-collapse supernovae (CCSNe), particularly the GW linear memory -- a phenomenon arising from…

High Energy Astrophysical Phenomena · Physics 2024-12-11 Kiranjyot Gill
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