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Related papers: Detectability of compact binary merger macronovae

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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

In this letter we begin the study of visible dark sector signals coming from binary neutron star mergers. We focus on dark photons emitted in the 10 ms - 1 s after the merger, and show how they can lead to bright transient gamma-ray…

High Energy Physics - Phenomenology · Physics 2022-10-19 Melissa D. Diamond , Gustavo Marques-Tavares

We carry out a comprehensive study of supernova ejecta-companion interaction in massive binary systems. We aim to physically understand the kinematics of the interaction and predict observational signatures. To do this we perform…

High Energy Astrophysical Phenomena · Physics 2018-10-10 Ryosuke Hirai , Philipp Podsiadlowski , Shoichi Yamada

The merger of two neutron stars produces an outflow of radioactive heavy nuclei. Within a second of merger, the central remnant is expected to also launch a relativistic jet, which shock-heats and disrupts a portion of the radioactive…

High Energy Astrophysical Phenomena · Physics 2021-01-20 Hannah Klion , Paul C. Duffell , Daniel Kasen , Eliot Quataert

The merging of a binary system involving two neutron stars (NSs), or a black hole (BH) and a NS, often results in the emission of an electromagnetic (EM) transient. One component of this EM transient is the epic explosion known as a…

High Energy Astrophysical Phenomena · Physics 2023-12-20 Lowri Wyn Prys Mathias , Francesco Di Clemente , Mattia Bulla , Alessandro Drago

The new generation of powerful instruments is reaching sensitivities and temporal resolutions that will allow multi-messenger astronomy of explosive transient phenomena, with high-energy neutrinos as a central figure. We derive general…

High Energy Astrophysical Phenomena · Physics 2017-07-12 Claire Guépin , Kumiko Kotera

The discovery of GW170817 and GRB 170817A in tandem with AT 2017gfo cemented the connection between neutron star mergers, short gamma-ray bursts (GRBs), and kilonovae. To investigate short GRB observations in the context of diverse kilonova…

After GW170817, kilonovae have become of great interest for the astronomical, astrophysics and nuclear physics communities, due to their potential in revealing key information on the compact binary merger from which they emerge, such as the…

Binary neutron star mergers and neutron star-black hole mergers are multi-messenger sources that can be detected in gravitational waves and in electromagnetic radiation. The low electron fraction of neutron star merger ejecta favors the…

For a suite of fourteen core-collapse models during the dynamical first second after bounce, we calculate the detailed neutrino "light" curves expected in the underground neutrino observatories Super-Kamiokande, DUNE, JUNO, and IceCube.…

High Energy Astrophysical Phenomena · Physics 2018-08-15 Shaquann Seadrow , Adam Burrows , David Vartanyan , David Radice , M. Aaron Skinner

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…

In the new era of gravitational wave (GW) and multi-messenger astrophysics, the detection of a GW signal from the coalescence of a black hole - neutron star (BHNS) binary remains a highly anticipated discovery. This kind of system is…

High Energy Astrophysical Phenomena · Physics 2019-06-05 C. Barbieri , O. S. Salafia , A. Perego , M. Colpi , G. Ghirlanda

To search for transient astrophysical neutrino sources, IceCube's optical and X-ray follow-up program is triggered by two or more neutrino candidates arriving from a similar direction within 100s. However, the rate of such neutrino…

High Energy Astrophysical Phenomena · Physics 2019-04-05 Nora L. Strotjohann

The 2017 detection of the inspiral and merger of two neutron stars in gravitational waves and gamma rays was accompanied by a quickly-reddening transient. Such a transient was predicted to occur following a rapid neutron capture (r-process)…

We present a rapid analytic framework for predicting kilonova light curves following neutron star (NS) mergers, where the main input parameters are binary-based properties measurable by gravitational wave detectors (chirp mass and mass…

High Energy Astrophysical Phenomena · Physics 2021-07-07 Matt Nicholl , Ben Margalit , Patricia Schmidt , Graham P. Smith , Evan J. Ridley , James Nuttall

A kilonova is a short-lived explosive event in the universe, resulting from the merger of two compact objects. Despite its importance as a primary source of heavy elements through r-process nucleosynthesis, its nature is not well…

High Energy Astrophysical Phenomena · Physics 2023-11-22 Donggeun Tak , Z. Lucas Uhm , James H. Gillanders

Luminous Red Novae (LRNe) are transients associated with mass ejection during stellar mergers and common envelope evolution (CEE). LRNe have the potential to illuminate the poorly understood phases of binary evolution leading up to the CEE,…

Solar and Stellar Astrophysics · Physics 2025-12-01 Anthony Kirilov , Diego Calderón , Ondřej Pejcha , Paul C. Duffell

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

Recent detections of kilonova-like emission following long-duration gamma-ray bursts GRB211211A and GRB230307A have been interpreted as originating from the merger of two neutron stars. In this work, we demonstrate that these observations…

High Energy Astrophysical Phenomena · Physics 2026-04-28 Marko Ristić , Brandon L. Barker , Samuel Cupp , Axel Gross , Nicole Lloyd-Ronning , Oleg Korobkin , Jonah M. Miller , Matthew R. Mumpower

The coalescence of binary neutron stars (NSs) may in some cases produce a stable massive NS remnant rather than a black hole. Due to the substantial angular momentum from the binary, such a remnant is born rapidly rotating and likely…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Brian D. Metzger , Anthony L. Piro