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Related papers: A generalized precession parameter $\chi_\mathrm{p…

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Since the initial discovery of gravitational waves in 2015, significant developments have been made towards waveform interpretation and estimation of compact binary source parameters. We present herein an implementation of the generalized…

General Relativity and Quantum Cosmology · Physics 2022-06-08 Chad Henshaw , Richard O'Shaughnessy , Laura Cadonati

Gravitational waves (GWs) emitted by generic black-hole binaries show a rich structure that directly reflects the complex dynamics introduced by the precession of the orbital plane, which poses a real challenge to the development of generic…

General Relativity and Quantum Cosmology · Physics 2015-06-22 Patricia Schmidt , Frank Ohme , Mark Hannam

Accurately modelling the complete gravitational-wave signal from precessing binary black holes through the late inspiral, merger and ringdown remains a challenging problem. The lack of analytic solutions for the precession dynamics of…

General Relativity and Quantum Cosmology · Physics 2021-05-05 Lucy M. Thomas , Patricia Schmidt , Geraint Pratten

Spin precession in merging black-hole binaries is a treasure trove for both astrophysics and fundamental physics. There are now well-established strategies to infer from gravitational-wave data whether at least one of the two black holes is…

General Relativity and Quantum Cosmology · Physics 2022-10-24 Viola De Renzis , Davide Gerosa , Geraint Pratten , Patricia Schmidt , Matthew Mould

In binary-black-hole systems where the black-hole spins are misaligned with the orbital angular momentum, precession effects leave characteristic modulations in the emitted gravitational waveform. Here, we investigate where in the parameter…

General Relativity and Quantum Cosmology · Physics 2021-06-16 Rhys Green , Charlie Hoy , Stephen Fairhurst , Mark Hannam , Francesco Pannarale , Cory Thomas

The general-relativistic phenomenon of spin-induced orbital precession has not yet been observed in strong-field gravity. Gravitational-wave observations of binary black holes (BBHs) are prime candidates, since we expect the astrophysical…

The coalescence of massive black holes generates gravitational waves (GWs) that will be measurable by space-based detectors such as LISA to large redshifts. The spins of a binary's black holes have an important impact on its waveform.…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Ryan N. Lang , Scott A. Hughes

Gravitational-wave (GW) signals from coalescing compact binaries carry enormous information about the source dynamics and are an excellent tool to probe unknown astrophysics and fundamental physics. Though the updated catalog of compact…

General Relativity and Quantum Cosmology · Physics 2022-03-10 N V Krishnendu , Frank Ohme

Extracting the properties of a binary system emitting gravitational waves relies on models describing the last stages of the compact binary coalescence. In this article, we study potential biases inherent to current tidal waveform…

General Relativity and Quantum Cosmology · Physics 2019-07-31 Anuradha Samajdar , Tim Dietrich

After eleven gravitational-wave detections from compact-binary mergers, we are yet to observe the striking general-relativistic phenomenon of orbital precession. Measurements of precession would provide valuable insights into the…

General Relativity and Quantum Cosmology · Physics 2020-09-02 Stephen Fairhurst , Rhys Green , Mark Hannam , Charlie Hoy

Among the most eagerly anticipated opportunities made possible by Advanced LIGO/Virgo are multimessenger observations of compact mergers. Optical counterparts may be short-lived so rapid characterization of gravitational wave (GW) events is…

High Energy Astrophysical Phenomena · Physics 2016-03-23 Tyson B. Littenberg , Ben Farr , Scott Coughlin , Vicky Kalogera

The latest binary black hole population estimates argue for a subpopulation of unequal component mass binaries with spins that are likely small but isotropically distributed. This implies a non-zero probability of detecting spin-induced…

General Relativity and Quantum Cosmology · Physics 2025-02-14 Charlie Hoy , Stephen Fairhurst , Ilya Mandel

Spin priors play a fundamental role in gravitational-wave parameter estimation, yet their impact on parameterized tests of General Relativity (GR) remains insufficiently understood. In this work, we systematically investigate how spin prior…

General Relativity and Quantum Cosmology · Physics 2026-05-07 Tianhao Wu , Shujun Rong

GW190521 is a remarkable gravitational-wave signal on multiple fronts: its source is the most massive black hole binary identified to date and could have spins misaligned with its orbit, leading to spin-induced precession -- an…

High Energy Astrophysical Phenomena · Physics 2024-01-22 Simona J. Miller , Maximiliano Isi , Katerina Chatziioannou , Vijay Varma , Ilya Mandel

Gravitational-wave observations of merging compact binaries hold the key to precision measurements of the objects' masses and spins. General-relativistic precession, caused by spins misaligned with the orbital angular momentum, is…

General Relativity and Quantum Cosmology · Physics 2020-10-28 Geraint Pratten , Patricia Schmidt , Riccardo Buscicchio , Lucy M. Thomas

Gravitational-wave astronomy presents an exciting opportunity to provide an independent measurement of the expansion rate of the Universe. By combining inferences for the binary component masses and luminosity distances from individual…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-12 Charlie Hoy , Konstantin Leyde

We study the gravitational wave (GW) signature of first-order chiral phase transitions ($\chi$PT) in strongly interacting hidden or dark sectors. We do so using several effective models in order to reliably capture the relevant…

High Energy Physics - Phenomenology · Physics 2019-09-20 Alexander J. Helmboldt , Jisuke Kubo , Susan van der Woude

Gravitational waves emitted by coalescing compact objects carry information about the spin of the individual bodies. However, with present detectors only the mass-weighted combination of the components of the spin along the orbital angular…

General Relativity and Quantum Cosmology · Physics 2018-10-24 Ken K. Y. Ng , Salvatore Vitale , Aaron Zimmerman , Katerina Chatziioannou , Davide Gerosa , Carl-Johan Haster

Binary black holes with misaligned spins will generically induce both precession and nutation of the orbital angular momentum $\bf{L}$ about the total angular momentum $\bf{J}$. These phenomena modulate the phase and amplitude of the…

General Relativity and Quantum Cosmology · Physics 2021-06-15 Daria Gangardt , Nathan Steinle , Michael Kesden , Davide Gerosa , Evangelos Stoikos

We derive an analytical form of the joint prior of effective spin parameters, $\chi_\mathrm{eff}$ and $\chi_\mathrm{p}$, assuming an isotropic and uniform-in-magnitude spin distribution. This is a vital factor in performing hierarchical…

General Relativity and Quantum Cosmology · Physics 2025-06-19 Masaki Iwaya , Kazuya Kobayashi , Soichiro Morisaki , Kenta Hotokezaka , Tomoya Kinugawa
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