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The short gravitational wave signal from the merger of compact binaries encodes a surprising amount of information about the strong-field dynamics of merger into frequencies accessible to ground-based interferometers. In this paper we…

General Relativity and Quantum Cosmology · Physics 2013-03-14 R. O'Shaughnessy , L. London , J. Healy , D. Shoemaker

We present the first direct comparison of numerical simulations of neutron star-black hole and black hole-black hole mergers in full general relativity. We focus on a configuration with non spinning objects and within the most likely range…

We compute the expected low-frequency gravitational wave signal from coalescing massive black hole (MBH) binaries at the center of galaxies. We follow the merging history of halos and associated holes via cosmological Monte Carlo…

Astrophysics · Physics 2009-11-10 A. Sesana , F. Haardt , P. Madau , M. Volonteri

We present an investigation into how sensitive the last orbits and merger of binary black hole systems are to the presence of spurious radiation in the initial data. Our numerical experiments consist of a binary black hole system starting…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Tanja Bode , Deirdre Shoemaker , Frank Herrmann , Ian Hinder

The spectral properties of the post-merger gravitational-wave signal from a binary of neutron stars encode a variety of information about the features of the system and of the equation of state describing matter around and above nuclear…

General Relativity and Quantum Cosmology · Physics 2023-10-18 Konrad Topolski , Samuel Tootle , Luciano Rezzolla

For black-hole binaries whose spins are (anti-) aligned with respect to the orbital angular momentum of the binary, we compute the frequency domain phasing coefficients including the quadratic-in-spin terms up to the third post-Newtonian…

General Relativity and Quantum Cosmology · Physics 2016-05-04 Chandra Kant Mishra , Aditya Kela , K. G. Arun , Guillaume Faye

In this paper we discuss the anatomy of frequency-domain gravitational-wave signals from non-precessing black-hole coalescences with the goal of constructing accurate phenomenological waveform models. We first present new…

General Relativity and Quantum Cosmology · Physics 2016-02-10 Sascha Husa , Sebastian Khan , Mark Hannam , Michael Pürrer , Frank Ohme , Xisco Jiménez Forteza , Alejandro Bohé

Recent studies indicate that the progenitors of merging black hole (BH) binaries from young star clusters can undergo a common envelope phase just like isolated binaries. If the stars emerge from the common envelope as naked cores, tidal…

High Energy Astrophysical Phenomena · Physics 2021-04-21 Alessandro Alberto Trani , Ataru Tanikawa , Michiko S. Fujii , Nathan W. C. Leigh , Jun Kumamoto

The properties of the population of merging binary black holes encode some of the uncertain physics of the evolution of massive stars in binaries. The binary black hole merger rate and chirp mass distribution are being measured by…

On September 14, 2015 at 09:50:45 UTC the two detectors of the Laser Interferometer Gravitational-Wave Observatory simultaneously observed a transient gravitational-wave signal. The signal sweeps upwards in frequency from 35 to 250 Hz with…

General Relativity and Quantum Cosmology · Physics 2016-02-24 The LIGO Scientific Collaboration , the Virgo Collaboration

Recently the possibility of detecting echoes of ringdown gravitational waves from binary black hole mergers was shown. The presence of echoes is expected if the black hole is surrounded by a mirror that reflects gravitational waves near the…

General Relativity and Quantum Cosmology · Physics 2017-07-25 Hiroyuki Nakano , Norichika Sago , Hideyuki Tagoshi , Takahiro Tanaka

Gravitational wave observations of eccentric binary black hole mergers will provide unequivocal evidence for the formation of these systems through dynamical assembly in dense stellar environments. The study of these astrophysically…

General Relativity and Quantum Cosmology · Physics 2019-09-06 E. A. Huerta , Roland Haas , Sarah Habib , Anushri Gupta , Adam Rebei , Vishnu Chavva , Daniel Johnson , Shawn Rosofsky , Erik Wessel , Bhanu Agarwal , Diyu Luo , Wei Ren

The recent detection of the binary black hole merger GW150914 demonstrates the existence of black holes more massive than previously observed in X-ray binaries in our Galaxy. This article explores different scenarios of black hole formation…

High Energy Astrophysical Phenomena · Physics 2016-08-03 Irina Dvorkin , Elisabeth Vangioni , Joseph Silk , Jean-Philippe Uzan , Keith A. Olive

The ringdown phase of a binary black-hole merger encodes key information about the remnant properties and provides a direct probe of the strong-field regime of General Relativity. While quasi-normal mode frequencies and damping times are…

General Relativity and Quantum Cosmology · Physics 2026-01-05 Francesco Nobili , Swetha Bhagwat , Costantino Pacilio , Davide Gerosa

In dense stellar environments, the merger products of binary black hole mergers may undergo additional mergers. These hierarchical mergers are predicted to have higher masses than the first generation of black holes made from stars. The…

High Energy Astrophysical Phenomena · Physics 2020-10-16 Chase Kimball , Colm Talbot , Christopher P. L. Berry , Matthew Carney , Michael Zevin , Eric Thrane , Vicky Kalogera

We analyze the spherical harmonic mode amplitudes of quasicircular, nonprecessing binary black hole mergers using 275 numerical relativity simulations from the SXS, RIT, and MAYA catalogs. We construct fits using the leading-order…

General Relativity and Quantum Cosmology · Physics 2026-04-16 Viviana A. Cáceres-Barbosa

Binary supermassive black holes are produced by galactic mergers as the black holes from the two galaxies fall to the center of the merged system and form a bound pair. The two black holes will eventually coalesce in an enormous burst of…

Astrophysics · Physics 2011-05-05 David Merritt , R. D. Ekers

The spin of black holes in black hole-neutron star (BHNS) binaries can have a strong influence on the merger dynamics and the postmerger state; a wide variety of spin magnitudes and orientations are expected to occur in nature. In this…

High Energy Astrophysical Phenomena · Physics 2011-02-25 Francois Foucart , Matthew D. Duez , Lawrence E. Kidder , Saul A. Teukolsky

Gravitational waves from compact binary mergers provide a direct measurement of luminosity distance, which, in combination with redshift information, serves as a cosmological probe. In order to statistically infer merger redshifts, the…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-18 Hui Tong , Maya Fishbach , Eric Thrane

This is a collection of literature reviews and some initial work on the estimation of the frequency of gravitational waves from a binary black hole merger for low SNR. This document provides a starting point, with a broad overview of the…

General Relativity and Quantum Cosmology · Physics 2020-11-11 Varun Nagesh Jolly Behera , Anik Kumar Samanta , Aurobinda Routray
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