activity
20182026
most citedGWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs

3.5k citations · 8.4k across the 38 of their papers we have counts for

collaborators

39 papers

astro-ph.IM2026

LIGO A: Detector Design and Science Prospects Beyond A+

L. Sun, K. Kuns, B. J. J. Slagmolen +1153

We present the LIGO A detector concept, an upgrade for the LIGO observatories based on room-temperature interferometers beyond the fifth observing run (O5). Building on th…

astro-ph.HE2026

A universal framework to identify eccentric binary mergers: GW200105 case study

Teagan A. Clarke, Isobel M. Romero-Shaw, Charlie Hoy +3

Orbital eccentricity in gravitational-wave signals from merging compact object binaries is a powerful indicator of their formation channel. Several binary black hole mergers and a…

physics.soc-ph2025

The Early Career Workshop of GR-Amaldi 2025

S Al-Shammari, C P L Berry, C E A Chapman-Bird +18

Gravitational physics and astronomy have developed rapidly over the last decade, driven by new observations and theoretical breakthroughs. As new as the science and technology of t…

gr-qc2025

PhenomXPNR: An improved gravitational wave model linking precessing inspirals and NR-calibrated merger-ringdown

Eleanor Hamilton, Marta Colleoni, Jonathan E. Thompson +10

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 evolu…

gr-qc2023★ 81 cited

PhenomXO4a: a phenomenological gravitational-wave model for precessing black-hole binaries with higher multipoles and asymmetries

Jonathan E. Thompson, Eleanor Hamilton, Lionel London +4

In this work we introduce PhenomXO4a, the first phenomenological, frequency-domain gravitational waveform model to incorporate multipole asymmetries and precession angles tuned to…

gr-qc2023

Revisiting the cosmic string origin of GW190521

Josu C. Aurrekoetxea, Charlie Hoy, Mark Hannam

For the first time we analyse gravitational-wave strain data using waveforms constructed from strong gravity simulations of cosmic string loops collapsing to Schwarzschild black ho…

gr-qc2023

Simple parameter estimation using observable features of gravitational-wave signals

Stephen Fairhurst, Charlie Hoy, Rhys Green +2

Using simple, intuitive arguments, we discuss the expected accuracy with which astrophysical parameters can be extracted from an observed gravitational wave signal. The observation…

gr-qc2023★ 2 cited

A search technique to observe precessing compact binary mergers in the advanced detector era

Connor McIsaac, Charlie Hoy, Ian Harry

Gravitational-wave signals from compact binary coalescences are most efficiently identified through matched filter searches, which match the data against a pre-generated bank of gr…

gr-qc2023★ 8 cited

A catalogue of precessing black-hole-binary numerical-relativity simulations

Eleanor Hamilton, Edward Fauchon-Jones, Mark Hannam +9

We present a public catalogue of numerical-relativity binary-black-hole simulations. The catalogue contains datasets from 80 distinct configurations of precessing binary-black-hole…

astro-ph.HE2023★ 32 cited

VARAHA: A Fast Non-Markovian sampler for estimating Gravitational-Wave posteriors

Vaibhav Tiwari, Charlie Hoy, Stephen Fairhurst +1

This article introduces VARAHA, an open-source, fast, non-Markovian sampler for estimating gravitational-wave posteriors. VARAHA differs from existing Nested sampling algorithms by…

gr-qc2022★ 26 cited

Accelerating Multi-Model Bayesian Inference, Model Selection and Systematic Studies for Gravitational Wave Astronomy

Charlie Hoy

Gravitational wave models are used to infer the properties of black holes in merging binaries from the observed gravitational wave signals through Bayesian inference. Although we h…

gr-qc2022

Asimov: A framework for coordinating parameter estimation workflows

Daniel Williams, John Veitch, Maria Luisa Chiofalo +4

Since the first detection in 2015 of gravitational waves from compact binary coalescence, improvements to the Advanced LIGO and Advanced Virgo detectors have expanded our view into…

gr-qc2021★ 116 cited

General-relativistic precession in a black-hole binary

Mark Hannam, Charlie Hoy, Jonathan E. Thompson +24

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 (BBH…

gr-qc2021★ 24 cited

Evidence for subdominant multipole moments and precession in merging black-hole-binaries from GWTC-2.1

Charlie Hoy, Cameron Mills, Stephen Fairhurst

The LIGO--Virgo--KAGRA collaborations (LVK) produced a catalogue containing gravitational-wave (GW) observations from the first half of the third GW observing run (O3a). This catal…

gr-qc2021★ 28 cited

Understanding how fast black holes spin by analysing data from the second gravitational-wave catalogue

Charlie Hoy, Stephen Fairhurst, Mark Hannam +1

The Advanced LIGO and Virgo detectors have now observed approximately 50 black-hole-binary mergers, from which we can begin to infer how rapidly astrophysical black holes spin. The…

astro-ph.IM2021★ 233 cited

LIGO Detector Characterization in the Second and Third Observing Runs

D. Davis, J. S. Areeda, B. K. Berger +284

The characterization of the Advanced LIGO detectors in the second and third observing runs has increased the sensitivity of the instruments, allowing for a higher number of detecta…

gr-qc2020★ 43 cited

Identifying when Precession can be Measured in Gravitational Waveforms

Rhys Green, Charlie Hoy, Stephen Fairhurst +3

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 gravita…

astro-ph.IM2020★ 109 cited

PESummary: the code agnostic Parameter Estimation Summary page builder

Charlie Hoy, Vivien Raymond

PESummary is a Python software package for processing and visualising data from any parameter estimation code. The easy to use Python executable scripts and extensive online docume…

astro-ph.IM2020★ 503 cited

Bayesian inference for compact binary coalescences with BILBY: Validation and application to the first LIGO--Virgo gravitational-wave transient catalogue

I. M. Romero-Shaw, C. Talbot, S. Biscoveanu +56

Gravitational waves provide a unique tool for observational astronomy. While the first LIGO--Virgo catalogue of gravitational-wave transients (GWTC-1) contains eleven signals from…

astro-ph.HE2019★ 119 cited

An Optically Targeted Search for Gravitational Waves emitted by Core-Collapse Supernovae during the First and Second Observing Runs of Advanced LIGO and Advanced Virgo

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1195

We present the results from a search for gravitational-wave transients associated with core-collapse supernovae observed within a source distance of approximately 20 Mpc during the…

gr-qc2019★ 383 cited

A guide to LIGO-Virgo detector noise and extraction of transient gravitational-wave signals

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1135

The LIGO Scientific Collaboration and the Virgo Collaboration have cataloged eleven confidently detected gravitational-wave events during the first two observing runs of the advanc…

gr-qc2019★ 67 cited

Two-harmonic approximation for gravitational waveforms from precessing binaries

Stephen Fairhurst, Rhys Green, Charlie Hoy +2

Binary-black-hole orbits precess when the black-hole spins are mis-aligned with the binary's orbital angular momentum. The apparently complicated dynamics can in most cases be desc…

gr-qc2019★ 147 cited

Model comparison from LIGO-Virgo data on GW170817's binary components and consequences for the merger remnant

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1191

GW170817 is the very first observation of gravitational waves originating from the coalescence of two compact objects in the mass range of neutron stars, accompanied by electromagn…

gr-qc2019★ 53 cited

When will we observe binary black holes precessing?

Stephen Fairhurst, Rhys Green, Mark Hannam +1

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