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Related papers: Radio afterglows of binary neutron star mergers: a…

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Following the historical observation of GW170817 and its electromagnetic follow-up, new neutron star merger afterglows are expected to be observed as counterparts to gravitational wave signals during the next science runs of the…

High Energy Astrophysical Phenomena · Physics 2020-03-25 Raphaël Duque , Robert Mochkovitch , Frédéric Daigne

To date GW170817, produced by a binary neutron star (BNS) merger, is the only gravitational wave event with an electromagnetic (EM) counterpart. It was associated with a prompt short gamma-ray burst (GRB), an optical kilonova, and the…

The detection of gravitational waves from a neutron star merger, GW170817, marked the dawn of a new era in time-domain astronomy. Monitoring of the radio emission produced by the merger, including high-resolution radio imaging, enabled…

High Energy Astrophysical Phenomena · Physics 2021-06-09 Dougal Dobie , Tara Murphy , David L. Kaplan , Kenta Hotokezaka , Juan Pablo Bonilla Ataides , Elizabeth K. Mahony , Elaine M. Sadler

Mergers of binary neutron stars and black hole-neutron star binaries produce gravitational-wave (GW) emission and outflows with significant kinetic energies. These outflows result in radio emissions through synchrotron radiation. We explore…

High Energy Astrophysical Phenomena · Physics 2016-11-15 Kenta Hotokezaka , Samaya Nissanke , Gregg Hallinan , T. Joseph W. Lazio , Ehud Nakar , Tsvi Piran

The binary neutron star merger gravitational-wave signal GW170817 was followed by three electromagnetic counterparts, including a kilonova arising from the radioactivity of freshly synthesized $r$-process elements in ejecta from the merger.…

High Energy Astrophysical Phenomena · Physics 2021-07-21 Robert Mochkovitch , Frédéric Daigne , Raphaël Duque , Hannachi Zitouni

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 only binary neutron star merger gravitational wave event with detected electromagnetic counterparts recorded to date is GRB170817A. This merger occurred in a rarefied medium with a density smaller than $10^{-3}-10^{-2}~{\rm cm}^{-3}$.…

High Energy Astrophysical Phenomena · Physics 2021-02-22 Raphaël Duque , Paz Beniamini , Frédéric Daigne , Robert Mochkovitch

The recent detection of a neutron star binary through gravitational waves, GW170817, has offered another source of information about the properties of cold supranuclear matter. Information from the signal emitted before the neutron stars…

General Relativity and Quantum Cosmology · Physics 2019-02-20 Andoni Torres-Rivas , Katerina Chatziioannou , Andreas Bauswein , James Alexander Clark

Multimessenger observations of the binary neutron star merger GW170817 have enabled the discovery of a diverse array of electromagnetic counterparts to compact binary mergers, including an unambiguous kilonova, a short gamma-ray burst, and…

Binary neutron star mergers offer a new and independent means of measuring the Hubble constant $H_0$ by combining the gravitational-wave inferred source luminosity distance with its redshift obtained from electromagnetic follow-up. This…

High Energy Astrophysical Phenomena · Physics 2022-01-27 S. Mastrogiovanni , R. Duque , E. Chassande-Mottin , F. Daigne , R. Mochkovitch

The simultaneous detection of gravitational and electromagnetic waves from a binary neutron star merger has both solidified the link between neutron star mergers and short-duration gamma-ray bursts (GRBs) and demonstrated the ability of…

High Energy Astrophysical Phenomena · Physics 2018-10-10 Brandon K. Wiggins , Christopher L. Fryer , Joseph M. Smidt , Dieter H. Hartmann , Nicole Lloyd-Ronning , Chris Belcynski

Following the wealth of new results enabled by multimessenger observations of the binary neutron star (BNS) merger GW170817, the next goal is increasing the number of detections of electromagnetic (EM) counterparts to gravitational wave…

High Energy Astrophysical Phenomena · Physics 2026-02-17 Ravjit Kaur , Brendan O'Connor , Antonella Palmese , Keerthi Kunnumkai

Gravitational wave astronomy has established its role in measuring the equation of state governing cold supranuclear matter. To date and in the near future, gravitational wave measurements from neutron star binaries are likely to be…

General Relativity and Quantum Cosmology · Physics 2019-09-04 Ka Wa Tsang , Tim Dietrich , Chris Van Den Broeck

Gravitational-wave observations became commonplace in Advanced LIGO-Virgo's recently concluded third observing run. 56 non-retracted candidates were identified and publicly announced in near real time. Gravitational waves from binary…

We present realistic expectations for the number and properties of neutron star binary mergers to be detected as multi-messenger sources during the upcoming fourth observing run (O4) of the LIGO-Virgo-KAGRA gravitational wave (GW)…

High Energy Astrophysical Phenomena · Physics 2022-10-12 A. Colombo , O. S. Salafia , F. Gabrielli , G. Ghirlanda , B. Giacomazzo , A. Perego , M. Colpi

Black hole neutron star (BHNS) mergers have recently been detected through their gravitational-wave (GW) emission. BHNS mergers could also produce electromagnetic (EM) emission as a short gamma-ray burst (sGRB), and/or an sGRB afterglow…

High Energy Astrophysical Phenomena · Physics 2022-09-20 Oliver M. Boersma , Joeri van Leeuwen

Binary neutron star (BNS) mergers are one of the proposed origins for both repeating and non-repeating fast radio bursts (FRBs), which associates FRBs with gravitational waves and short gamma-ray bursts (GRBs). In this work, we explore…

High Energy Astrophysical Phenomena · Physics 2020-08-18 Haoxiang Lin , Tomonori Totani

We present a study aimed at quantifying the detectability of radio counterparts of binary neutron star (BNS) mergers with total masses $\lesssim 3$\,M$_{\odot}$, which may form neutron star (NS) remnants. We focus on mergers localized by…

High Energy Astrophysical Phenomena · Physics 2025-07-01 Kara Merfeld , Alessandra Corsi

On August 17, 2017, Advanced LIGO and Virgo observed GW170817, the first gravitational-wave (GW) signal from a binary neutron star merger. It was followed by a short-duration gamma-ray burst, GRB 170817A, and by a non-thermal afterglow…

High Energy Astrophysical Phenomena · Physics 2023-06-14 Giulia Gianfagna , Luigi Piro , Francesco Pannarale , Hendrik Van Eerten , Fulvio Ricci , Geoffrey Ryan , Eleonora Troja

Ground-based gravitational-wave detectors like the Advanced LIGO, Advanced Virgo, and KAGRA experiments now regularly witness gravitational waves from compact binary mergers: the relativistic collisions of neutron stars and/or stellar-mass…

High Energy Astrophysical Phenomena · Physics 2024-10-28 T. A. Callister
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