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Related papers: Detectable Signals from Mergers of Compact Stars

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Neutron star mergers, referring to both binary neutron star and neutron star black hole mergers, are the canonical multimessenger events. They have been detected across the electromagnetic spectrum, have recently been detected in…

Gravitational wave astronomy might allow us to detect the coalescence of low-brightness astrophysical compact objects which are extremely difficult to be observed with current electromagnetic telescopes. Besides classical sources like black…

General Relativity and Quantum Cosmology · Physics 2018-12-04 Miguel Bezares , Carlos Palenzuela

Binary neutron-star mergers will predominantly produce black-hole remnants of mass $\sim 3-4\,M_{\odot}$, thus populating the putative \emph{low mass gap} between neutron stars and stellar-mass black holes. If these low-mass black holes are…

General Relativity and Quantum Cosmology · Physics 2026-01-05 Anuradha Gupta , Davide Gerosa , K. G. Arun , Emanuele Berti , Will Farr , B. S. Sathyaprakash

Mergers of neutron stars with black holes have been suggested as candidates for short gamma-ray bursts. They have also been studied for their potential as gravitational wave sources observable with ground-based detectors. For these…

Astrophysics · Physics 2009-11-11 M. Coleman Miller

Supermassive black hole mergers with spin-flips accelerate energetic particles through their precessing relativistic jets, producing high energy neutrinos and finally gravitational waves. In star formation massive stars come in pairs,…

Now that detection of gravitational wave signals from the coalescence of extra-galactic compact binary star mergers has become nearly routine, it is intriguing to consider other potential gravitational wave signatures. Here we examine the…

High Energy Astrophysical Phenomena · Physics 2023-04-19 Keith Riles

A milestone of multi-messenger astronomy has been achieved with the detection of gravitational waves from a binary neutron star merger accompanied by observations of several associated electromagnetic counterparts. Joint observations can…

High Energy Astrophysical Phenomena · Physics 2018-02-28 Chris Pankow , Eve A. Chase , Scott Coughlin , Michael Zevin , Vassiliki Kalogera

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

GW230529_181500 represented the first gravitational-wave detection with one of the component objects' mass inferred to lie in the previously hypothesized mass gap between the heaviest neutron stars and the lightest observed black holes.…

General Relativity and Quantum Cosmology · Physics 2026-01-19 Ivan Markin , Anna Puecher , Mattia Bulla , Tim Dietrich

Binary neutron star mergers observations are a unique way to constrain fundamental physics and astrophysics at the extreme. The interpretation of gravitational-wave events and their electromagnetic counterparts crucially relies on…

High Energy Astrophysical Phenomena · Physics 2020-11-18 Sebastiano Bernuzzi

On 17 August 2017, less than two years after the direct detection of gravitational radiation from the merger of two ~30 Msun black holes, a binary neutron star merger was identified as the source of a gravitational wave signal of ~100 s…

High Energy Astrophysical Phenomena · Physics 2021-01-12 Elena Pian

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

It is proposed that gamma-ray bursts are created in the mergers of double neutron star binaries and black hole neutron star binaries at cosmological distances. Bursts with complex profiles and relatively long durations are the result of…

Astrophysics · Physics 2009-10-22 Ramesh Narayan , Bohdan Paczyński , Tsvi Piran

While there are a number of proposed formation channels for subsolar mass compact objects, including black holes formed primordially, or neutron stars that form in collapsar disks, there have yet to be any conclusive observations of such…

High Energy Astrophysical Phenomena · Physics 2026-03-27 Maxence Corman , William E. East , Jocelyn S. Read

Coalescing binary systems, consisting of two collapsed objects, are among the most promising sources of high frequency gravitational waves signals detectable, in principle, by ground-based interferometers. Binary systems of Neutron Star or…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-16 S. Capozziello , M. De Laurentis , I. De Martino , M. Formisano

We review the current status of attempts to numerically model the merger of neutron star-neutron star (NSNS) and black hole-neutron star (BHNS) binary systems, and we describe the understanding of such events that is emerging from these…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Matthew D. Duez

The third observing run of the LIGO/Virgo/KARGA collaboration reported a few neutron star - black hole (NSBH) merger events. While NSBH mergers have yet to receive extensive theoretical attention, they may have a promising electromagnetic…

High Energy Astrophysical Phenomena · Physics 2022-09-21 Erez Michaely , Smadar Naoz

We describe the possible electromagnetic signals expected from the magnetospheric interactions of a neutron star binary prior to merger. We find that both radio and X-ray signals of detectable strength are possible. We discuss possible…

Astrophysics · Physics 2009-10-31 Brad M. S. Hansen , Maxim Lyutikov

Gravitational waves deliver information in exquisite detail about astrophysical phenomena, among them the collision of two black holes, a system completely invisible to the eyes of electromagnetic telescopes. Models that predict…

General Relativity and Quantum Cosmology · Physics 2015-06-24 Deirdre Shoemaker , Karan Jani , Lionel London , Larne Pekowsky

With current terrestrial gravitational wave detectors working at initial design sensitivities, and upgrades and space missions planned, it is likely that in the next five to ten years gravitational radiation will be detected directly from a…

Astrophysics · Physics 2009-11-11 M. Coleman Miller