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Related papers: High-energy emissions from neutron star mergers

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Recent studies suggest that the most energetic cosmic rays, exceeding 100 EeV, may primarily consist of $r$-process nuclei. This highlights binary neutron star mergers and collapsars as promising sources of ultra-high-energy cosmic rays…

High Energy Astrophysical Phenomena · Physics 2025-06-24 Gang Guo , Yong-Zhong Qian , Meng-Ru Wu

The search for multi-messenger signals of binary black hole (BBH) mergers is crucial to understanding the merger process of BBH and the relative astrophysical environment. Considering BBH mergers occurring in the active galactic nuclei…

High Energy Astrophysical Phenomena · Physics 2023-11-07 Zi-Hang Zhou , Kai Wang

This paper provides an overview of the current state of the stripping model for short gamma-ray bursts. After the historical joint detection of the gravitational wave event GW170817 and the accompanying gamma-ray burst GRB170817A, the…

High Energy Astrophysical Phenomena · Physics 2021-05-18 S. Blinnikov , D. Nadyozhin , N. Kramarev , A. Yudin

VLBI and JVLA observations revealed that GW170817 involved a narrow jet ($ \theta_j \approx 4^\circ $) that dominated the afterglow peak at our viewing angle, $ \theta_{\rm obs} \approx 20^\circ $. This implies that at the time of the…

High Energy Astrophysical Phenomena · Physics 2019-07-17 Ore Gottlieb , Ehud Nakar , Tsvi Piran

The joint detection of the gravitational wave (GW) event GW170817 and the short-duration gamma-ray burst (SGRB) event GRB 170817A, marked the beginning of GW multi-messenger astronomy and confirmed that binary neutron star mergers are…

High Energy Astrophysical Phenomena · Physics 2024-05-31 Luyanda Mazwi , Soebur Razzaque , Lutendo Nyadzani

Neutron stars are unique cosmic laboratories for the exploration of matter under extreme conditions of density and neutron-proton asymmetry. Due to their enormous dynamic range, neutron stars display a myriad of exotic states of matter that…

Nuclear Theory · Physics 2018-05-18 J. Piekarewicz

GW170817, the first neutron star merger event detected by advanced LIGO/Virgo detectors, was associated with an underluminous short duration GRB 170817A. In this work we compare the forward shock afterglow emission of GW170817/GRB 170817A…

High Energy Astrophysical Phenomena · Physics 2019-05-15 Kai-Kai Duan , Zhi-Ping Jin , Fu-Wen Zhang , Yi-Ming Zhu , Xiang Li , Yi-Zhong Fan , Da-Ming Wei

Electromagnetic observations of the first binary Neutron Star (BNS) merger GW170817 has established that relativistic jets can be successfully launched in BNS mergers. Typically, such jets produce emission in two phases: $\gamma$-ray prompt…

High Energy Astrophysical Phenomena · Physics 2022-04-27 S Mohan , M Saleem , L Resmi

The recent discoveries of high-energy cosmic neutrinos and gravitational waves from astrophysical objects have led to the new era of multi-messenger astrophysics. In particular, electromagnetic follow-up observations triggered by these…

High Energy Astrophysical Phenomena · Physics 2019-10-25 Kohta Murase , Imre Bartos

The ongoing LIGO-Virgo-KAGRA observing run O4 provides an opportunity to discover new multi-messenger events, including binary neutron star (BNS) mergers such as GW170817, and the highly anticipated first detection of a multi-messenger…

The recent discovery of high-energy astrophysical neutrinos and first hints of coincident electromagnetic and neutrino emission herald the beginning of the era of multi-messenger astronomy. Due to their high power, transient sources are…

High Energy Astrophysical Phenomena · Physics 2024-12-02 Claire Guépin , Kumiko Kotera , Foteini Oikonomou

Recent observations suggest that gamma ray bursts (GRBs) and their afterglows are produced in star formation regions in distant galaxies by highly relativistic jets that happen to point in our direction. Relativistic beaming collimates the…

Astrophysics · Physics 2007-05-23 Arnon Dar

Neutron star mergers produce a substantial amount of fast-moving ejecta, expanding outwardly for years after the merger. The interaction of these ejecta with the surrounding medium may produce a weak isotropic radio remnant, detectable in…

The detection of gravitational waves emitted during a neutron star - black hole merger and the associated electromagnetic counterpart will provide a wealth of information about stellar evolution nuclear matter, and General Relativity. While…

Astrophysics of Galaxies · Physics 2020-06-16 Manuel Arca Sedda

In the dawn of the multi-messenger era including gravitational waves, which was marked by the first ever coincident detection of gravitational waves and electromagnetic radiation it is important to lay back and think about established…

High Energy Astrophysical Phenomena · Physics 2018-08-20 Antonios Nathanail

The recent coincident detection of gravitational waves (GW) from a binary neutron star merger with aLIGO/Virgo and short-lived gamma-ray emission with Fermi/GBM (called GW 170817) is a milestone for the establishment of multi-messenger…

High Energy Astrophysical Phenomena · Physics 2017-10-17 J. Michael Burgess , Jochen Greiner , Damien Begue , Dimitrios Giannios , Francesco Berlato , Vladimir M. Lipunov

The observation of a kilonova AT2017gfo associated with the gravitational wave event GW170817 provides the first strong evidence that neutron star mergers are dominant contributors to the production of heavy $r$-process elements.…

High Energy Astrophysical Phenomena · Physics 2024-07-23 Meng-Hua Chen , Li-Xin Li , En-Wei Liang

Neutron star (binary neutron star and neutron star - black hole) mergers are believed to produce short-duration gamma-ray bursts. They are also believed to be the dominant source of gravitational waves to be detected by the advanced LIGO…

High Energy Astrophysical Phenomena · Physics 2015-10-14 Chris L. Fryer , Krzysztoff Belczynski , Enrico Ramirez-Ruiz , Stephan Rosswog , Gang Shen , Andrew W. Steiner

The very first detection of gravitational waves from a neutron star binary merger, GW170817, exceeded all expectations. The event was relatively nearby, which may point to a relatively high merger rate. It was possible to extract…

High Energy Astrophysical Phenomena · Physics 2021-03-31 Andreas Bauswein

Recent discovery of the afterglow emission from short gamma-ray bursts suggests that binary neutron star or black hole-neutron star binary mergers are the likely progenitors of these short bursts. The accretion of neutron star material and…

Astrophysics · Physics 2011-02-11 Soebur Razzaque , Peter Meszaros
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