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Related papers: Hunting for newborn magnetars: a multi-messenger a…

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Wolf-Rayet stars in close binary systems can be tidally spun up by their companions, potentially leaving behind fast-spinning highly-magnetized neutron stars, known as ``magnetars", after core collapse. These newborn magnetars can transfer…

High Energy Astrophysical Phenomena · Physics 2024-08-01 Jin-Ping Zhu , Liang-Duan Liu , Yun-Wei Yu , Ilya Mandel , Ryosuke Hirai , Bing Zhang , Aming Chen

The recent detection of gravitational waves (GWs) and electromagnetic (EM) waves originating from the same source marks the start of a new multi-messenger era in astronomy. The arrival time difference between the GW and EM signal can be…

High Energy Astrophysical Phenomena · Physics 2018-08-31 Paolo Cremonese , Edvard Mörtsell

The electromagnetic (EM) emission associated with a gravitational wave (GW) signal is one of the main goal of future astronomy. Merger of neutron stars and/or black holes and core-collapse of massive stars are expected to cause rapid…

Pulsar Timing Array (PTA) experiments have the potential to unveil continuous gravitational wave (CGW) signals from individual massive black hole binaries (MBHBs). Detecting them in both gravitational waves (GW) and the electromagnetic (EM)…

The gravitational collapse of rapidly rotating massive stars can lead to the onset of the low $T/\|W\|$ instability within the central proto-neutron star (PNS), which leaves strong signatures in both the gravitational wave (GW) and neutrino…

High Energy Astrophysical Phenomena · Physics 2023-03-08 Matteo Bugli , Jérôme Guilet , Thierry Foglizzo , Martin Obergaulinger

With the advent of modern neutrino and gravitational wave detectors, the promise of multi-messenger detections of the next galactic core-collapse supernova has become very real. Such detections will give insight into the core-collapse…

High Energy Astrophysical Phenomena · Physics 2020-08-12 MacKenzie L. Warren , Sean M. Couch , Evan P. O'Connor , Viktoriya Morozova

In recent years, there have been significant advances in multi-messenger astronomy due to the discovery of the first, and so far only confirmed, gravitational wave event with a simultaneous electromagnetic (EM) counterpart, as well as…

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

Gamma-ray bursts (GRBs) are promising as sources of neutrinos and cosmic rays. In the internal shock scenario, blobs of plasma emitted from a central engine collide within a relativistic jet and form shocks, leading to particle acceleration…

High Energy Astrophysical Phenomena · Physics 2017-06-06 Mauricio Bustamante , Jonas Heinze , Kohta Murase , Walter Winter

Recent follow-up observations of the binary neutron star (NS) merging event GW170817/SGRB 170817A reveal that its X-ray/optical/radio emissions are brightening continuously up to $\sim 100$ days post-merger. This late-time brightening is…

High Energy Astrophysical Phenomena · Physics 2018-04-02 Jin-Jun Geng , Zi-Gao Dai , Yong-Feng Huang , Xue-Feng Wu , Long-Biao Li , Bing Li , Yan-Zhi Meng

We present the results of a LIGO search for short-duration gravitational waves (GWs) associated with Soft Gamma Repeater (SGR) bursts. This is the first search sensitive to neutron star f-modes, usually considered the most efficient GW…

Astrophysics · Physics 2008-12-18 LIGO Scientific Collaboration , S. Barthelmy , N. Gehrels , K. C. Hurley , D. Palmer

The coalescence of binary neutron stars (BNS) is a prolific source of gravitational waves (GWs) and electromagnetic (EM) radiation, offering a dual observational window into the Universe. Lowering the signal-to-noise ratio (S/N) threshold…

High Energy Astrophysical Phenomena · Physics 2024-10-01 Yun-Fei Du , Emre Seyit Yorgancioglu , Jin-Hui Rao , Ankit Kumar , Shu-Xu Yi , Shuang-Nan Zhang , Shu Zhang

Millisecond magnetars, rapidly rotating neutron stars with ultra-strong magnetic fields, have long been proposed as central engines of gamma-ray bursts (GRBs). For GRBs produced by neutron star mergers, the survival of a long-lived magnetar…

High Energy Astrophysical Phenomena · Physics 2026-05-26 Run-Chao Chen , Jun Yang , Bin-Bin Zhang , Chen-Wei Wang , Wen-Jun Tan , Shao-Lin Xiong , Bing Zhang

Short Gamma-Ray Bursts (GRBs), brief intense emission of $\gamma-$rays characterized by a duration shorter than 2 seconds that are plausibly powered by the coalescence of binary neutron stars, are believed to be strong gravitational wave…

High Energy Astrophysical Phenomena · Physics 2013-11-27 Yi-Zhong Fan , Xue-Feng Wu , Da-Ming Wei

The next time a core-collapse supernova (SN) explodes in our galaxy, vari- ous detectors will be ready and waiting to detect its emissions of gravitational waves (GWs) and neutrinos. Current numerical simulations have successfully…

High Energy Astrophysical Phenomena · Physics 2015-09-30 Takaaki Yokozawa , Mitsuhiro Asano , Tsubasa Kayano , Yudai Suwa , Nobuyuki Kanda , Yusuke Koshio , Mark R. Vagins

Cosmological gamma ray bursts are very likely powerful sources of high energy neutrinos and gravitational waves. The aim of this paper is to review and update the current predictions about the intensity of emission in this two forms to be…

Astrophysics · Physics 2007-05-23 Giulio Auriemma

The advanced gravitational wave (GW) detector network has started {routine detection of } signals from merging compact binaries. Data indicate that in a fair fraction of these sources, at least one component was a neutron star, bringing…

High Energy Astrophysical Phenomena · Physics 2022-09-29 Akshat Singhal , Sourav Palit , Suman Bala , Gaurav Waratkar , Harsh Kumar , Varun Bhalerao

We present results from fully general relativistic (GR), three-dimensional (3D), neutrino-radiation magneto-hydrodynamic (MHD) simulations of stellar core collapse of a 20 M$_\odot$ star with spectral neutrino transport. Our focus is to…

High Energy Astrophysical Phenomena · Physics 2024-08-05 Shota Shibagaki , Takami Kuroda , Kei Kotake , Tomoya Takiwaki , Tobias Fischer

We use high-resolution relativistic MHD simulations coupled with a radiative transfer code to compute multiwavelength afterglow light curves of magnetized ejecta of gamma-ray bursts interacting with a uniform circumburst medium. The aim of…

High Energy Astrophysical Phenomena · Physics 2015-05-18 P. Mimica , D. Giannios , M. A. Aloy

Based on new developments in the understanding of supernovae (SNe) as gravitational-wave (GW) sources we estimate the GW background from all cosmic SNe. For a broad range of frequencies around 1 Hz, this background is crudely comparable to…