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Related papers: Black hole-neutron star binaries

200 papers

The merger of two neutron stars is a very complex process. In order to disentangle the various steps through which it takes place it is mandatory to examine all the signals we can detect: gravitational waves and electromagnetic waves, in a…

High Energy Astrophysical Phenomena · Physics 2018-02-07 Alessandro Drago , Giuseppe Pagliara , Silvia Traversi

We demonstrate Bayesian analyses of the complete gravitational-wave spectrum of binary neutron star mergers events with the next-generation detector Einstein Telescope. Our mock analyses are performed for 20 different signals using the…

General Relativity and Quantum Cosmology · Physics 2026-02-12 Giulia Huez , Sebastiano Bernuzzi , Matteo Breschi , Rossella Gamba

The study of massive binary systems has steadily progressed over the past decades, with increasing focus on their evolution, interactions and mergers, driven by improvements in computational modelling and observational techniques. In…

High Energy Astrophysical Phenomena · Physics 2025-02-05 Aldana Grichener

This paper reviews the current understanding of double neutron star and neutron star black hole binaries. It addresses mainly (nuclear) astrophysics aspects of compact binary mergers and thus complements recent reviews that have emphasized…

High Energy Astrophysical Phenomena · Physics 2015-03-17 S. Rosswog

We present an overview of recent numerical advances in the theoretical characterization of massive binary black hole (MBBH) mergers in astrophysical environments. These systems are among the loudest sources of gravitational waves (GWs) in…

High Energy Astrophysical Phenomena · Physics 2024-01-08 Federico Cattorini , Bruno Giacomazzo

Binary black holes occupy a special place in our quest for understanding the evolution of galaxies along cosmic history. If massive black holes grow at the center of (pre-)galactic structures that experience a sequence of merger episodes,…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-03 M. Colpi , M. Dotti

Both detailed and rapid population studies alike predict that binary black hole (BHBH) formation is orders of magnitude more efficient at low metallicity than high metallicity, while binary neutron star (NSNS) formation remains mostly flat…

High Energy Astrophysical Phenomena · Physics 2024-12-13 L. A. C. van Son , S. K. Roy , I. Mandel , W. M. Farr , A. Lam , J. Merritt , F. S. Broekgaarden , A. Sander , J. J. Andrews

Mergers of black-hole binaries are expected to release large amounts of energy in the form of gravitational radiation. However, binary evolution models predict merger rates too low to be of observational interest. In this paper we explore…

Astrophysics · Physics 2007-05-23 Simon Portegies Zwart , Stephen McMillan

Extending previous work by a number of authors, we have recently presented a new approach in which the detection of gravitational waves from merging neutron star binaries can be used to determine the equation of state of matter at nuclear…

General Relativity and Quantum Cosmology · Physics 2015-03-09 Kentaro Takami , Luciano Rezzolla , Luca Baiotti

Gravitational waves produced from the merger of binary neutron stars (BNSs) are accompanied by electromagnetic counterparts, making it possible to identify the associated host galaxy. We explore how properties of the host galaxies relate to…

Astrophysics of Galaxies · Physics 2020-12-16 Susmita Adhikari , Maya Fishbach , Daniel E. Holz , Risa H. Wechsler , Zhanpei Fang

Star clusters can interact and merge in galactic discs, halos, or centers. We present direct N-body simulations of binary mergers of star clusters with $M_{\star} = 2.7 \times 10^4 \: \mathrm{M_{\odot}}$ each, using the N-body code BIFROST…

Astrophysics of Galaxies · Physics 2025-03-18 Lazaros Souvaitzis , Antti Rantala , Thorsten Naab

Neutron star binaries offer a rich phenomenology in terms of gravitational waves and merger remnants. However, most general relativistic studies have been performed for nearly circular binaries, with the exception of head-on collisions. We…

General Relativity and Quantum Cosmology · Physics 2013-01-10 Roman Gold , Sebastiano Bernuzzi , Marcus Thierfelder , Bernd Bruegmann , Frans Pretorius

Binary neutron star (BNS) mergers are the leading model to explain the phenomenology of short gamma-ray bursts (SGRBs), which are among the most luminous explosions in the universe. Recent observations of long-lasting X-ray afterglows of…

High Energy Astrophysical Phenomena · Physics 2016-03-16 Daniel M. Siegel , Riccardo Ciolfi

The recent observations of gravitational waves (GWs) by the LIGO-Virgo-KAGRA collaboration (LVK) have provided a new opportunity for studying our Universe. By detecting several merging events of black holes (BHs), LVK has spurred the…

We examine how future gravitational-wave measurements from merging black holes (BHs) can be used to infer the shape of the black-hole mass function, with important implications for the study of star formation and evolution and the…

Cosmology and Nongalactic Astrophysics · Physics 2017-06-07 Ely D. Kovetz , Ilias Cholis , Patrick C. Breysse , Marc Kamionkowski

Merging supermassive black hole-black hole (BHBH) binaries produced in galaxy mergers are promising sources of detectable gravitational waves. If such a merger takes place in a gaseous environment, there is a possibility of a simultaneous…

High Energy Astrophysical Phenomena · Physics 2010-05-12 Brian D. Farris , Yuk Tung Liu , Stuart L. Shapiro

Binary neutron star mergers are expected to be one of the most promising source of gravitational waves (GW) for the network of laser interferometric and bar detectors becoming operational in the next few years. The merger wave signal is…

Astrophysics · Physics 2015-06-24 R. Oechslin , G. Poghosyan , K. Uryu

The merger of binary neutron-stars systems combines in a single process: extreme gravity, copious emission of gravitational waves, complex microphysics, and electromagnetic processes that can lead to astrophysical signatures observable at…

General Relativity and Quantum Cosmology · Physics 2018-02-21 Luca Baiotti , Luciano Rezzolla

Inspiraling and merging binary neutron stars are not only important source of gravitational waves, but also promising candidates for coincident electromagnetic counterparts. These systems are thought to be progenitors of short gamma-ray…

High Energy Astrophysical Phenomena · Physics 2017-11-03 Milton Ruiz , Stuart L. Shapiro

Coalescing compact binaries with neutron star or black hole components provide the most promising sources of gravitational radiation for detection by the LIGO/VIRGO/GEO/TAMA laser interferometers now under construction. This fact has…

General Relativity and Quantum Cosmology · Physics 2010-04-06 Frederic A. Rasio , Stuart L. Shapiro