activity
20182026
most citedGWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run

1.8k citations · 4.5k across the 56 of their papers we have counts for

collaborators

56 papers

astro-ph.IM2026

Narrow spectral artifact investigation and mitigation in LIGO data from the fourth LIGO-Virgo-KAGRA observing run

E. Goetz, A. Neunzert, A. M. Knee +258

We present efforts to identify, characterize, and mitigate narrow spectral artifacts in LIGO detector data during the fourth LIGO-Virgo-KAGRA observing run. Narrow spectral artifac…

astro-ph.HE2026

Sub-Torque-Balance Upper Limits on Continuous Gravitational Waves from Scorpius X-1

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1836

We present the results of a search for continuous gravitational waves from the low-mass X-ray binary Scorpius X-1 using LIGO data from the first part of the fourth LIGO-Virgo-KAGRA…

gr-qc2026★ 2 cited

GW240925 and GW250207: Astrophysical Calibration of Gravitational-wave Detectors

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1839

GW240925 and GW250207 are two loud gravitational-wave signals from binary black hole coalescences observed with network signal-to-noise ratios and , respectively…

astro-ph.HE2026

Searches for Binary Mergers with Sub-solar Mass Components in Data from the First Part of LIGO--Virgo--KAGRA's Fourth Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1832

We report on a gravitational wave search for compact binary coalescences involving at least one component with mass between to , and ratio of component m…

gr-qc2026★ 1 cited

Searches for Continuous Gravitational Waves from Supernova Remnants in the first part of the LIGO-Virgo-KAGRA Fourth Observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1764

We present results from directed searches for continuous gravitational waves from a sample of 15 nearby supernova remnants, likely hosting young neutron star candidates, using data…

gr-qc2026★ 1 cited

GWTC-4.0: Tests of General Relativity. III. Tests of the Remnants

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1779

This is the third paper of the set recording the results of the suite of tests of general relativity (GR) performed on the signals from the fourth Gravitational-Wave Transient Cata…

gr-qc2026★ 1 cited

GWTC-4.0: Tests of General Relativity. I. Overview and General Tests

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1781

The worldwide LIGO-Virgo-KAGRA network of gravitational-wave (GW) detectors continues to increase in sensitivity, thus increasing the quantity and quality of the detected GW signal…

gr-qc2026

Narrowband searches for continuous gravitational waves from known pulsars in the first two parts of the fourth LIGO--Virgo--KAGRA observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1853

Rotating non-axisymmetric neutron stars (NSs) are promising sources for continuous gravitational waves (CWs). Such CWs can, if detected, inform us about the internal structure and…

gr-qc2026★ 1 cited

GWTC-4.0: Tests of General Relativity. II. Parameterized Tests

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1785

In this second of three papers on tests of general relativity (GR) applied to the compact binary coalescence signals in the 4th Gravitational-Wave Transient Catalog (GWTC-4.0), we…

astro-ph.HE2025

Hierarchical Bayesian estimation of population-level torque law parameters from young radio pulsars observed with the Murriyang telescope

Andrés F. Vargas, Andrew Melatos, Julian B. Carlin +3

Abridged. The measured braking index, , of a rotation-powered pulsar with spin frequency and braking torque , features secular and stochast…

gr-qc2025★ 5 cited

GW230814: investigation of a loud gravitational-wave signal observed with a single detector

The LIGO Scientific Collaboration, The Virgo Collaboration, The Kagra Collaboration +1783

GW230814, detected by the LIGO Livingston observatory with a signal-to-noise ratio of 42.4, represents the loudest gravitational-wave signal in the GWTC-4.0 catalog. Its source is…

gr-qc2025★ 2 cited

How much spin wandering can continuous gravitational wave search algorithms handle?

Julian B. Carlin, Andrew Melatos

The canonical signal model in continuous gravitational wave searches is deterministic, and stable over the long integration times needed to separate a putative signal from the nois…

astro-ph.HE2025★ 1 cited

Hierarchical Bayesian estimation of population-level torque law parameters from anomalous pulsar braking indices

Andrés F. Vargas, Julian B. Carlin, Andrew Melatos

Abridged. Stochastic fluctuations in the spin frequency of a rotation-powered pulsar affect how accurately one measures the power-law braking index, , defined throu…

astro-ph.IM2025

State-space algorithm for detecting the nanohertz gravitational wave background

Tom Kimpson, Andrew Melatos, Joseph O'Leary +11

The stochastic gravitational wave background (SGWB) can be observed in the nanohertz band using a pulsar timing array (PTA). Here a computationally efficient state-space framework…

astro-ph.HE2025★ 17 cited

Search for continuous gravitational waves from known pulsars in the first part of the fourth LIGO-Virgo-KAGRA observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1816

Continuous gravitational waves (CWs) emission from neutron stars carries information about their internal structure and equation of state, and it can provide tests of General Relat…

astro-ph.HE2024

State-space analysis of a continuous gravitational wave source with a pulsar timing array: inclusion of the pulsar terms

Tom Kimpson, Andrew Melatos, Joseph O'Leary +11

Pulsar timing arrays can detect continuous nanohertz gravitational waves emitted by individual supermassive black hole binaries. The data analysis procedure can be formulated withi…

astro-ph.HE2024★ 14 cited

Search for gravitational waves emitted from SN 2023ixf

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1780

We present the results of a search for gravitational-wave transients associated with core-collapse supernova SN 2023ixf, which was observed in the galaxy Messier 101 via optical em…

astro-ph.HE2024★ 5 cited

A search using GEO600 for gravitational waves coincident with fast radio bursts from SGR 1935+2154

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1780

The magnetar SGR 1935+2154 is the only known Galactic source of fast radio bursts (FRBs). FRBs from SGR 1935+2154 were first detected by CHIME/FRB and STARE2 in 2020 April, after t…

astro-ph.HE2024★ 1 cited

Kalman tracking and parameter estimation of continuous gravitational waves with a pulsar timing array

Tom Kimpson, Andrew Melatos, Joseph O'Leary +11

Continuous nanohertz gravitational waves from individual supermassive black hole binaries may be detectable with pulsar timing arrays. A novel search strategy is developed, wherein…

astro-ph.HE2024★ 201 cited

Observation of Gravitational Waves from the Coalescence of a Compact Object and a Neutron Star

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1793

We report the observation of a coalescing compact binary with component masses and (all measurements quoted at the 90% credible le…

astro-ph.HE2024★ 6 cited

Persistent gravitational radiation from glitching pulsars. II. Updated scaling with vortex number

Thippayawis Cheunchitra, Andrew Melatos, Julian B. Carlin +1

Superfluid vortices pinned to nuclear lattice sites or magnetic flux tubes in a neutron star evolve abruptly through a sequence of metastable spatial configurations, punctuated by…

gr-qc2023★ 6 cited

Search for continuous gravitational waves directed at sub-threshold radiometer candidates in O3 LIGO data

Alan M. Knee, Helen Du, Evan Goetz +7

We present results of a follow-up search for continuous gravitational waves (CWs) associated with sub-threshold candidates from the LIGO-Virgo-KAGRA (LVK) All-Sky All-Frequency (AS…

astro-ph.HE2023

A Joint Fermi-GBM and Swift-BAT Analysis of Gravitational-Wave Candidates from the Third Gravitational-wave Observing Run

C. Fletcher, J. Wood, R. Hamburg +1696

We present Fermi Gamma-ray Burst Monitor (Fermi-GBM) and Swift Burst Alert Telescope (Swift-BAT) searches for gamma-ray/X-ray counterparts to gravitational wave (GW) candidate even…

astro-ph.HE2023★ 6 cited

Search for Eccentric Black Hole Coalescences during the Third Observing Run of LIGO and Virgo

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1772

Despite the growing number of confident binary black hole coalescences observed through gravitational waves so far, the astrophysical origin of these binaries remains uncertain. Or…