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Related papers: High-energy emissions from neutron star mergers

200 papers

With the first observation of a binary neutron star merger through gravitational waves and light GW170817, compact binary mergers have now taken the center stage in nuclear astrophysics. They are thought to be one of the main astrophysical…

High Energy Astrophysical Phenomena · Physics 2020-02-11 David Radice , Sebastiano Bernuzzi , Albino Perego

Synergetic observations of multi-band coincidence signals from merging neutron stars have definitively marked the significance of multi-messenger astronomy. We present a new generic signature of neutron star mergers, positron emission and…

High Energy Astrophysical Phenomena · Physics 2019-08-06 Volodymyr Takhistov

The mergers of binaries containing neutron stars and stellar-mass black holes are the most promising sources for direct detection in gravitational waves by the interferometers Advanced LIGO and Virgo over the next few years. The concurrent…

High Energy Astrophysical Phenomena · Physics 2016-06-29 Rodrigo Fernández , Brian D. Metzger

Neutron stars (NSs) are extraordinary not only because they are the densest form of matter in the visible Universe but also because they can generate B-fields ten orders of magnitude larger than those currently constructed on Earth. The…

High Energy Astrophysical Phenomena · Physics 2021-04-09 Milton Ruiz , Stuart L. Shapiro , Antonios Tsokaros

Mergers of binary neutron stars and black hole-neutron star binaries are one of the most promising sources for the ground-based gravitational-wave (GW) detectors and also a high-energy astrophysical phenomenon as illustrated by the…

High Energy Astrophysical Phenomena · Physics 2019-08-08 Masaru Shibata , Kenta Hotokezaka

We investigate pre-merger coherent radio emission from neutron star mergers arising due to the magnetospheric interaction between compact objects. We consider two plausible radiation mechanisms, and show that if one neutron star has a…

High Energy Astrophysical Phenomena · Physics 2022-12-21 A. J. Cooper , O. Gupta , Z. Wadiasingh , R. A. M. J. Wijers , O. M. Boersma , I. Andreoni , A. Rowlinson , K. Gourdji

The end state of binary-neutron-star (BNS) mergers can manifest conditions to produce high-energy neutrinos. Inspired by the event GW170817, detected in gravitational waves and in optical/infrared emission, we investigate a scenario in…

High Energy Astrophysical Phenomena · Physics 2024-12-10 Simone Rossoni , Denise Boncioli , Günter Sigl

We report the discovery of rising X-ray emission from the binary neutron star (BNS) merger event GW170817. This is the first detection of X-ray emission from a gravitational-wave source. Observations acquired with the Chandra X-ray…

The gravitational-wave detectors LIGO and Virgo together with their electromagnetic partner facilities have transformed the modus operandi in which we seek information about the Universe. The first ever-observed neutron-star…

High Energy Astrophysical Phenomena · Physics 2020-08-17 Daniel M. Siegel

The joint detection of GW170817 and GRB 170817A opened the era of multi-messenger astronomy with gravitational waves (GWs) and provided the first direct probe that at least some binary neutron star (BNS) mergers are progenitors of short…

The almost simultaneous detection of GRB170817A and GW170817 ushered in nearly a decade of interest in binary neutron star mergers and their multi-messenger signals, resulting in a greater understanding of the processes that produce…

High Energy Astrophysical Phenomena · Physics 2025-09-17 Nathan Walker , Davide Lazzati , Tyler Parsotan , Rosalba Perna

The first neutron star-neutron star (NS-NS) merger was discovered on August 17, 2017 through gravitational waves (GW170817) and followed with electromagnetic observations. This merger was detected in an old elliptical galaxy with no recent…

High Energy Astrophysical Phenomena · Physics 2018-08-01 K. Belczynski , A. Askar , M. Arca-Sedda , M. Chruslinska , M. Donnari , M. Giersz , M. Benacquista , R. Spurzem , D. Jin , G. Wiktorowicz , D. Belloni

Gravitational waves have been detected from a binary neutron star merger event, GW170817. The detection of electromagnetic radiation from the same source has shown that the merger occurred in the outskirts of the galaxy NGC 4993, at a…

Neutron star mergers have recently become a tool to study extreme gravity, nucleosynthesis, and the chemical composition of the Universe. To date, there has been one joint gravitational and electromagnetic observation of a binary neutron…

High Energy Astrophysical Phenomena · Physics 2023-04-05 Amelia Henkel , Francois Foucart , Geert Raaijmakers , Samaya Nissanke

Mergers of binaries consisting of two neutron stars, or a black hole and a neutron star, offer a unique opportunity to study a range of physical and astrophysical processes using two different and almost orthogonal probes - gravitational…

High Energy Astrophysical Phenomena · Physics 2020-12-02 Ehud Nakar

The exact sources of high-energy neutrinos detected by the IceCube neutrino observatory still remain a mystery. For the first time, this work explores the hypothesis that galaxy mergers may serve as sources for these high-energy neutrinos.…

High Energy Astrophysical Phenomena · Physics 2025-03-25 Subhadip Bouri , Priyank Parashari , Mousumi Das , Ranjan Laha

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

We discuss possible implications of the recent detection by the LIGO and VIRGO collaboration of the gravitational-wave event GW170817, the signal of which is consistent with predictions in general relativity on the merging of neutron stars.…

High Energy Physics - Phenomenology · Physics 2018-11-14 Andrea Addazi , Antonino Marciano

The binary neutron star (BNS) merger GW170817 was the first astrophysical source detected in gravitational waves and multi-wavelength electromagnetic radiation. The almost simultaneous observation of a pulse of gamma-rays proved that BNS…

The recent discovery of the neutron star merger and multi-messenger event GW170817 (also known as kilonova GRB170817A) provides an unprecedented laboratory in which to study these mysterious objects, as well as an opportunity to test…

High Energy Astrophysical Phenomena · Physics 2019-01-01 Samar Safi-Harb , Neil Doerksen , Adam Rogers , Chris L. Fryer