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Related papers: Constraining black-hole binary spin precession and…

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Gravitational wave measurements will provide insight into the population of coalescing compact binaries throughout the universe. We describe and demonstrate a flexible parametric method to infer the event rate as a function of compact…

General Relativity and Quantum Cosmology · Physics 2019-08-20 Daniel Wysocki , Jacob Lange , Richard O'Shaughnessy

The spins of binary black holes measured with gravitational waves provide insights about the formation, evolution, and dynamics of these systems. However, interpreting these measurements-especially for heavy black holes-remains an open…

General Relativity and Quantum Cosmology · Physics 2025-08-01 Karen Kang , Simona J. Miller , Katerina Chatziioannou , Deborah Ferguson

Attempts to understand the formation of binary black hole (BBH) systems detected via gravitational wave (GW) emission are affected by many unknowns and uncertainties, from both the observational and theoretical (astrophysical modelling)…

High Energy Astrophysical Phenomena · Physics 2025-12-18 Jam Sadiq , Thomas Dent , Ana Lorenzo-Medina

We provide ready-to-use time-domain gravitational waveforms for spinning compact binaries with precession effects through 1.5PN order in amplitude and compute their mode decomposition using spin-weighted -2 spherical harmonics. In the…

General Relativity and Quantum Cosmology · Physics 2015-03-13 K. G. Arun , Alessandra Buonanno , Guillaume Faye , Evan Ochsner

Gravitational wave observations of binary black hole mergers probe their astrophysical origins via the binary spin, namely the spin magnitudes and directions of each component black hole, together described by six degrees of freedom.…

General Relativity and Quantum Cosmology · Physics 2024-05-15 Simona J. Miller , Zoe Ko , Thomas A. Callister , Katerina Chatziioannou

We study the dynamics of merging compact binaries near a rotating supermassive black hole (SMBH) in a hierarchical triple configuration. We include various general relativistic effects that couple the inner orbit, the outer orbit and the…

High Energy Astrophysical Phenomena · Physics 2020-07-22 Bin Liu , Dong Lai

It is now possible to theoretically calculate the gravitational-wave signal from the inspiral, merger and ringdown of a black-hole-binary system. The late inspiral, merger and ringdown can be calculated in full general relativity using…

General Relativity and Quantum Cosmology · Physics 2009-06-10 Mark Hannam

Tidal dissipation in spinning compact binaries imprints characteristic corrections on the late-inspiral gravitational-wave signal. We develop a next-to-leading order post-Newtonian description of dissipative, electric-quadrupolar tides in…

General Relativity and Quantum Cosmology · Physics 2026-04-27 Anand Balivada , Abhishek Hegade K. R. , Nicolás Yunes

We study neutrino spin oscillations while the particles scatter off a rotating black hole surrounded by a thick magnetized accretion disk. Neutrino spin precession is caused by the interaction of the neutrino magnetic moment with the…

High Energy Physics - Phenomenology · Physics 2024-08-09 Mridupawan Deka , Maxim Dvornikov

We study nonlinear evolutions of binary black hole mergers, uncovering power-law contributions generated by the long-range behaviour of the highly-curved dynamical spacetime. The result is achieved by exploiting the strong increase of the…

General Relativity and Quantum Cosmology · Physics 2024-12-05 Gregorio Carullo , Marina De Amicis

Massive merging black holes will be the primary sources of powerful gravitational waves at low frequency, and will permit to test general relativity with candidate galaxies close to a binary black hole merger. In this paper we identify the…

Astrophysics · Physics 2009-06-23 László Á. Gergely , Peter L. Biermann

Rapid localization of gravitational-wave events is important for the success of the multi-messenger observations. The forthcoming improvements and constructions of gravitational-wave detectors will enable detecting and localizing…

General Relativity and Quantum Cosmology · Physics 2021-09-15 Takuya Tsutsui , Atsushi Nishizawa , Soichiro Morisaki

Binary systems of compact objects in close orbit around a supermassive black hole (SMBH) may form in galactic nuclei, providing a unique environment to probe strong-gravity tidal effects on the binary's dynamics. In this work, we…

General Relativity and Quantum Cosmology · Physics 2025-10-30 Marta Cocco , Gianluca Grignani , Troels Harmark , Marta Orselli , Daniele Pica

The black holes detected by current and future interferometers can have diverse origins. Their expected mass and spin distributions depend on the specifics of the formation mechanisms. When a physically motivated prior distribution is used…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-03 S. Bhagwat , V. De Luca , G. Franciolini , P. Pani , A. Riotto

The properties of compact binaries, such as masses and spins, are imprinted in the gravitational-waves they emit and can be measured using parameterised waveform models. Accurately and efficiently describing the complicated precessional…

General Relativity and Quantum Cosmology · Physics 2019-08-07 Sebastian Khan , Katerina Chatziioannou , Mark Hannam , Frank Ohme

Binary black hole spins are among the key observables for gravitational wave astronomy. Among the spin parameters, their orientations within the orbital plane, $\phi_1$, $\phi_2$ and $\Delta \phi=\phi_1-\phi_2$, are critical for…

High Energy Astrophysical Phenomena · Physics 2022-01-20 Vijay Varma , Maximiliano Isi , Sylvia Biscoveanu , Will M. Farr , Salvatore Vitale

We present the frequency-domain quasi-circular precessing binary-black-hole model PhenomXPNR. This model combines the most precise available post-Newtonian description of the evolution of the precession dynamics through inspiral with…

Multiple approaches are required to study the evolution of black-hole binaries. While the post-Newtonian approximation is sufficient to describe the early inspiral (even from infinitely large orbital separation), only numerical relativity…

General Relativity and Quantum Cosmology · Physics 2020-10-21 Luca Reali , Matthew Mould , Davide Gerosa , Vijay Varma

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

We present a comprehensive analysis of late-time tails in gravitational radiation from merging spin-aligned eccentric binary black holes, using high-accuracy point-particle black hole perturbation theory simulations. We simulate the…

General Relativity and Quantum Cosmology · Physics 2025-12-01 Tousif Islam , Guglielmo Faggioli , Gaurav Khanna