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

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Fast-spinning strongly magnetized newborn neutron stars, including nascent magnetars, are popularly implemented as the engine of luminous stellar explosions. Here, we consider the scenario that they power various stripped-envelope…

High Energy Astrophysical Phenomena · Physics 2016-04-07 Kazumi Kashiyama , Kohta Murase , Imre Bartos , Kenta Kiuchi , Raffaella Margutti

It has been suggested that some classes of luminous supernovae (SNe) and gamma-ray bursts (GRBs) are driven by newborn magnetars. Fast-rotating proto-neutron stars have also been of interest as potential sources of gravitational waves…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Kohta Murase , Kazumi Kashiyama , Kenta Kiuchi , Imre Bartos

Soft Gamma Repeaters and the Anomalous X-ray Pulsars are believed to contain slowly spinning "magnetars". The enormous energy liberated in the 2004 Dece 27 giant flare from SGR 1806-20, together with the likely recurrence time of such…

Astrophysics · Physics 2009-11-13 Simone Dall'Osso , Luigi Stella

The counter jet of a short gamma-ray burst (sGRB) has not yet been observed, while recent discoveries of gravitational waves (GWs) from a binary neutron star (NS) merger GW170817 and the associated sGRB 170817A have demonstrated that…

High Energy Astrophysical Phenomena · Physics 2018-03-28 Ryo Yamazaki , Kunihito Ioka , Takashi Nakamura

The joint detection of GW 170817 and GRB 170817A indicated that at least a fraction of short gamma ray bursts (SGRBs) originate from binary neutron star (BNS) mergers. One possible remnant of a BNS merger is a rapidly rotating, strongly…

High Energy Astrophysical Phenomena · Physics 2020-02-26 Liang-Duan Liu , He Gao , Bing Zhang

The first direct detection of the gravitational wave (GW) event GW170817 and its electromagnetic (EM) counterpart open a new window for studying of multi-messenger astronomy. However, how to identify the remnant of binary neutron star (NS)…

High Energy Astrophysical Phenomena · Physics 2025-08-22 Suo-Ning Wang , Hou-Jun Lü , Xiao-Xuan Liu , Jared Rice , Jia Ren , En-Wei Liang

A rapidly rotating and highly magnetized remnant neutron star (NS; magnetar) could survive from a merger of double NSs and drive a powerful relativistic wind. The early interaction of this wind with the previous merger ejecta can lead to…

High Energy Astrophysical Phenomena · Physics 2022-11-15 Guang-Lei Wu , Yun-Wei Yu , Shao-Ze Li

Given that newborn magnetars are considered potential central engines of gamma-ray bursts (GRBs), there is strong motivation to identify gravitational wave (GW) signatures within GRB samples. If the X-ray afterglow of a GRB is powered by a…

High Energy Astrophysical Phenomena · Physics 2026-02-10 Shu-Jin Hou , Rui Xue , Fang-Kun Peng , Zhi-Gang Li , Tong Liu , Ren-Xin Xu

Compact binary mergers are prime sources of gravitational waves, targeted by current and next generation detectors. The question "what is the observable electromagnetic (EM) signature of a compact binary merger?" is an intriguing one with…

High Energy Astrophysical Phenomena · Physics 2015-06-04 T. Piran , E. Nakar , S. Rosswog

Magnetars younger than one century are expected to be hyper active. Besides winds powered by rotation they generate frequent magnetic flares, which launch powerful blast waves into the wind. These internal shocks act as masers producing…

High Energy Astrophysical Phenomena · Physics 2020-07-01 Andrei M. Beloborodov

Magnetar giant flares are rare and highly energetic phenomena observed in the transient sky whose emission mechanisms are still not fully understood. Depending on the nature of the excited modes of the magnetar, they are also expected to…

General Relativity and Quantum Cosmology · Physics 2021-09-14 Adrian Macquet , Marie-Anne Bizouard , Eric Burns , Nelson Christensen , Michael Coughlin , Zorawar Wadiasingh , George Younes

We present results of numerical relativity simulations for the collapse of rotating magnetized white dwarfs (WDs) in three dimension, aiming at discussing the explosion dynamics and associate multi-messenger signals: gravitational waves…

High Energy Astrophysical Phenomena · Physics 2025-07-08 Takami Kuroda , Kyohei Kawaguchi , Masaru Shibata

A newly born millisecond magnetar has been proposed as one possible central engine of some GRBs with X-ray plateau emission. In this work, we systematically analyzed the Swift/XRT data of long GRBs with plateau emission that were detected…

High Energy Astrophysical Phenomena · Physics 2025-09-04 Lin Lan , He Gao , Shunke Ai , Wen-Jin Xie , Yong Yuan , Long Li , Li-Ping Xin , Jian-Yan Wei

We review the ensemble of anticipated gravitational-wave (GW) emission processes in stellar core collapse and postbounce core-collapse supernova evolution. We discuss recent progress in the modeling of these processes and summarize most…

Astrophysics · Physics 2009-11-19 Christian D. Ott

By reaching through shrouding blastwaves, efficiently discovering off-axis events, and probing the central engine at work, gravitational wave (GW) observations will soon revolutionize the study of gamma-ray bursts. Already, analyses of GW…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-16 Imre Bartos , Patrick Brady , Szabolcs Marka

As the technology of gravitational-wave and neutrino detectors becomes increasingly mature, a multi-messenger era of astronomy is ushered in. Advanced gravitational wave detectors are close to making a ground-breaking discovery of…

High Energy Astrophysical Phenomena · Physics 2015-06-16 He Gao , Bing Zhang , Xue-Feng Wu , Zi-Gao Dai

The merger of a double neutron star (NS-NS) binary may result in a rapidly rotating massive NS with an extremely strong magnetic field (i.e., a millisecond magnetar). In this case, the magnetic spin-down of the NS remnant provides an…

High Energy Astrophysical Phenomena · Physics 2017-07-06 He Gao , Bing Zhang , Hou-Jun Lü , Ye Li

Anisotropic neutrino emission from a core-collapse supernova (CCSN) causes a permanent change in the local space-time metric, called the gravitational wave (GW) memory. Long considered unobservable, this effect will be detectable in the…

High Energy Astrophysical Phenomena · Physics 2022-05-18 Mainak Mukhopadhyay

We present the semi-analytical light curve modelling of 13 supernovae associated with gamma-ray bursts (GRB-SNe) along with two relativistic broad-lined (Ic-BL) SNe without GRBs association (SNe 2009bb and 2012ap), considering millisecond…

We investigate the gravitational wave emission for 10 supernova progenitors from magnetorotational core-collapse to the supernova explosion using fully three-dimensional dynamical-spacetime general-relativistic magnetohydrodynamics…

High Energy Astrophysical Phenomena · Physics 2026-02-04 Sophia C. Schnauck , Swapnil Shankar , Philipp Mösta , Roland Haas , Erik Schnetter