activity
20172026
most citedFirst search for nontensorial gravitational waves from known pulsars

112 citations · 260 across the 26 of their papers we have counts for

collaborators

27 papers

gr-qc2026

Search for Compact Binary Coalescences with Sub-solar Mass Components in Data from the Second Part of LIGO-Virgo-KAGRA's Fourth Observing Run

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

We report on a gravitational wave search for compact binary coalescences with secondary mass between 0.2 M and 1 M and primary mass between 0.2 M and 10 M, restricting the componen…

gr-qc2026

Updated Upper Limits on the Isotropic Gravitational-Wave Background from LIGO, Virgo, and KAGRA Data through April 2025

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1805

We report results from a search for an isotropic stochastic gravitational-wave background using data collected by the LIGO--Virgo--KAGRA Collaboration. The analysis uses data from…

gr-qc2026

Constraints on ultralight bosons from merging binary and remnant black holes observed during the second and third parts of the fourth LIGO-Virgo-KAGRA observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1808

We present constraints on ultralight bosons using binary black hole mergers observed in the second and third parts of the fourth LIGO-Virgo-KAGRA observing run. Directed searches a…

gr-qc2026

GWTC-5.0: Tests of General Relativity

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1822

The signals from the LIGO-Virgo-KAGRA network of gravitational-wave (GW) detectors allow us to perform sensitive tests of general relativity (GR) in the dynamical and strong-field…

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…

astro-ph.HE2026

Distinct spin properties and astrophysical origin of low mass binary black holes in gravitational wave data

Elizabeth Flanagan, Jakob Stegmann, Isobel Romero-Shaw +3

We analyze the effective-spin distribution of binary black hole mergers in GWTC-5.0 as a function of primary black hole mass using hierarchical Bayesian inference. We model the pop…

astro-ph.HE2026

GWTC-5.0: Population Properties of Merging Compact Binaries

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1813

We present the population properties of merging compact binaries inferred using 267 mergers from the cumulative Gravitational-Wave Transient Catalog 5.0. As this data set contains…

gr-qc2026

GWTC-5.0: Observations from the Second Part of the Fourth LIGO-Virgo-KAGRA Observing Run and Updates to the Gravitational-Wave Transient Catalog

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1827

Version 5.0 of the Gravitational-Wave Transient Catalog (GWTC-5.0) adds new candidates detected by the LIGO Virgo KAGRA network of observatories through the second part of the four…

gr-qc2026

GWTC-5.0: Methods for Identifying and Characterizing Gravitational-wave Transients

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1822

The Gravitational-Wave Transient Catalog (GWTC) is a collection of candidate gravitational-wave transient signals identified and characterized by the LIGO-Virgo-KAGRA Collaboration…

gr-qc2026

GWTC-5.0: An Introduction to Version 5.0 of the Gravitational-Wave Transient Catalog

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1822

The Gravitational-Wave Transient Catalog (GWTC) is a collection of short-duration (transient) gravitational-wave signals identified by the LIGO-Virgo-KAGRA Collaboration in gravita…

gr-qc2026

Open Data from LIGO, Virgo, and KAGRA through the Second Part of the Fourth Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1809

LIGO, Virgo, KAGRA, and GEO 600 form a network of gravitational-wave observatories. Data and analysis results from this network are made publicly available through the Gravitationa…

astro-ph.HE2026

Transitions in the Mass-ratio and Spin Properties of Binary Black Holes in GWTC-5

Elizabeth Flanagan, Fabio Antonini, Thomas Callister +4

We analyze the mass-ratio and effective-spin () distributions of binary black hole mergers in the latest gravitational-wave catalog, GWTC-5, as a function of primary m…

astro-ph.CO2026

GWTC-5.0: Constraints on the Cosmic Expansion Rate and Modified Gravitational-wave Propagation

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1810

We employ 236 gravitational-wave (GW) sources in the fifth LIGO--Virgo--KAGRA Collaboration (LVK) Gravitational-Wave Transient Catalog (GWTC-5.0) to estimate the Hubble constant $H…

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…

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…

astro-ph.CO2025★ 3 cited

The Stochastic Siren: Astrophysical Gravitational-Wave Background Measurements of the Hubble Constant

Bryce Cousins, Kristen Schumacher, Adrian Ka-Wai Chung +4

We report the first measurement of the Hubble constant using the stochastic gravitational-wave background arising from binary black hole mergers. This astrophysical backgroun…

astro-ph.HE2024★ 1 cited

Observed Gravitational-Wave Populations

T. A. Callister

Ground-based gravitational-wave detectors like the Advanced LIGO, Advanced Virgo, and KAGRA experiments now regularly witness gravitational waves from compact binary mergers: the r…

astro-ph.HE2024★ 5 cited

Background information: a study on the sensitivity of astrophysical gravitational-wave background searches

Arianna I. Renzini, Thomas A. Callister, Katerina Chatziioannou +1

The vast majority of gravitational-wave signals from stellar-mass compact binary mergers are too weak to be individually detected with present-day instruments and instead contribut…