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We present self-consistent three-dimensional core-collapse supernova simulations of a rotating $20M_\odot$ progenitor model with various initial angular velocities from $0.0$ to $4.0$ rad s$^{-1}$ using a smoothed particle hydrodynamics…

High Energy Astrophysical Phenomena · Physics 2023-11-01 He-Feng Hsieh , Rubén Cabezón , Li-Ting Ma , Kuo-Chuan Pan

Convolutional Neural Networks (CNNs) have demonstrated potential for the real-time analysis of data from gravitational-wave detector networks for the specific case of signals from coalescing compact-object binaries such as black-hole…

Instrumentation and Methods for Astrophysics · Physics 2026-02-05 Vasileios Skliris , Michael R. K. Norman , Patrick J. Sutton

Core-collapse supernovae are connected with formation of neutron stars. Part of the gravitation energy is transformed into the energy of the explosion, observed in SN II, SN Ib,c type supernovae. The mechanism of transformation is not…

Astrophysics · Physics 2007-05-23 G. S. Bisnovatyi-Kogan , S. G. Moiseenko , N. V. Ardeljan

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

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

While neutrinos are often treated as a background for many dark matter experiments, these particles offer a new avenue for physics: the detection of core-collapse supernovae. Supernovae are extremely energetic, violent and complex events…

The late collapse, core bounce, and the early postbounce phase of rotating core collapse leads to a characteristic gravitational wave (GW) signal. The precise shape of the signal is governed by the interplay of gravity, rotation, nuclear…

Solar and Stellar Astrophysics · Physics 2014-08-06 Ernazar Abdikamalov , Sarah Gossan , Alexandra M. DeMaio , Christian D. Ott

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 analyse the stochastic background of gravitational radiation emitted by a cosmological population of core-collapse supernovae. The supernova rate as a function of redshift is deduced from an observation-based determination of the star…

Astrophysics · Physics 2009-10-30 Valeria Ferrari , Sabino Matarrese , Raffaella Schneider

Massive stars (M> 10Msun) end their lives with spectacular explosions due to gravitational collapse. The collapse turns the stars into compact objects such as neutron stars and black holes with the ejection of cosmic rays and heavy…

High Energy Astrophysical Phenomena · Physics 2015-06-12 K. Sumiyoshi

Large synoptic (repeated scan) imaging sky surveys are poised to observe enormous numbers of core-collapse supernovae. We quantify the discovery potential of upcoming projects, including DES, Pan-STARRS, and LSST. These surveys will map out…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-18 Amy Lien , Brian D. Fields

During the gravitational core collapse of a massive progenitor star which may give rise to at least a class of gamma-ray bursts (GRBs) associated with supernovae, a stellar core rapidly passes through a short yet important phase of…

Astrophysics · Physics 2009-11-13 Yi Cao , Yu-Qing Lou

Strong magnetic fields make neutron stars potential sources of detectable electromagnetic and gravitational-wave signals. Hence, inferring these magnetic fields is critical to understand the emissions of neutron stars. However, due to the…

High Energy Astrophysical Phenomena · Physics 2025-09-15 Anson Ka Long Yip , Patrick Chi-Kit Cheong , Tjonnie Guang Feng Li

Since the first detection of gravitational waves in 2015, gravitational-wave astronomy has emerged as a rapidly advancing field that holds great potential for studying the cosmos, from probing the properties of black holes to testing the…

General Relativity and Quantum Cosmology · Physics 2023-05-17 Anna Liu , Isaac C. F. Wong , Samson H. W. Leong , Anupreeta More , Otto A. Hannuksela , Tjonnie G. F. Li

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

Context. Gravitational waves (GW) provide a unique probe of the explosion mechanism of massive stars and the evolution of nascent proto-neutron stars (PNS). Magnetorotational explosions are one of the promising non-canonical core-collapse…

High Energy Astrophysical Phenomena · Physics 2026-03-24 Shota Shibagaki , Tomoya Takiwaki , Kei Kotake , Takami Kuroda , Tobias Fischer

The groundbreaking discoveries of gravitational waves from binary black-hole mergers and, most recently, coalescing neutron stars started a new era of Multi-Messenger Astrophysics and revolutionized our understanding of the Cosmos. Machine…

Instrumentation and Methods for Astrophysics · Physics 2021-07-08 Plamen G. Krastev

Magnetized and rotating core-collapse supernovae (CCSNe) are promising candidates for producing long gamma-ray bursts and hypernovae. In this project, we present 34 two-dimensional magnetized core-collapse supernova simulations with…

High Energy Astrophysical Phenomena · Physics 2026-03-30 Kuo-Chuan Pan , Yi-Fang Li

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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