GWTC-4.0: Updating the Gravitational-wave Transient Catalog with Observations from the First Part of the Fourth LIGO–Virgo–KAGRA Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration

doi:10.3847/2041-8213/ae2c74

GWTC-4.0: Updating the Gravitational-wave Transient Catalog with Observations from the First Part of the Fourth LIGO–Virgo–KAGRA Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration

Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
LIGO Hanford
Universit di Salerno
Complesso Universitario di Monte S. Angelo
University of Warwick
Monash University
Pennsylvania State University
Leibniz Universit t Hannover
University of Wisconsin-Milwaukee
California Institute of Technology
Louisiana State University
Tata Institute of Fundamental Research, Mumbai
Aix-Marseille Université
Université Catholique de Louvain
Queen Mary University of London
University of California Davis
University of Minnesota Twin Cities
Instituto Nacional de Pesquisas Espaciais
APC - AstroParticule et Cosmologie
Universit di Roma Tor Vergata
Sezione di Roma Tor Vergata
Universiteit Antwerpen
International Centre for Theoretical Sciences
University College Dublin
National Astronomical Observatory of Japan
Friedrich-Schiller-Universit t Jena
INFN Sezione di Torino
Sezione di Genova
Universit Degli Studi di Genova
Université de Savoie
Cardiff University
Australian National University
LIGO - Massachusetts Institute of Technology
Maastricht University
Nikhef
Sezione di Roma
Universit di Roma 'La Sapienza'
Institut Fresnel
Université Paris-Saclay
The University of Tokyo
Campus UAB
Gran Sasso Science Institute
Laboratori Nazionali del Gran Sasso
University of Florida
Università di Udine
Sezione di Trieste
Escuela de Ingeniería y Ciencias
Sezione di Perugia
Dipartimento di Fisica
Embry-Riddle Aeronautical University, Prescott
University of Washington
California State University Fullerton
University of Strathclyde
Université Claude Bernard Lyon 1
Georgia Institute of Technology
Chennai Mathematical Institute
Royal Holloway, University of London
The Graduate University for Advanced Studies
Universit Degli Studi di Urbino 'Carlo Bo'
Sezione di Firenze
European Gravitational Observatory (EGO)
LIGO Livingston
Université de Strasbourg
King's College London
Korea Institute of Science and Technology Information
Osaka University
High Energy Accelerator Research Organization (KEK)
Utrecht University
University of Western Australia
University of Portsmouth
Trento Institute for Fundamental Physics and Applications
Universit di Perugia
University of Oregon
Syracuse University
Inter-University Centre for Astronomy and Astrophysics India
Sezione di Pisa
Universit di Pisa
Universitat de Barcelona
Dipartimento di Medicina, Chirurgia e Odontoiatria “Scuola Medica Salernitana"
University of Glasgow
RMKI
Concordia University Wisconsin
Stanford University
University of Michigan, Ann Arbor
Dipartimento di Fisica e Astronomia
INFN
Institute for Plasma Research
Universiteit Gent
Polish Academy of Sciences
Northwestern University
Universit t Hamburg
Universitat de les Illes Balears
Université de Toulouse
Universit di Siena
Villanova University
RRCAT
Kenyon College
Missouri University of Science and Technology
Indian Institute of Technology Madras
VU University Amsterdam
Lomonosov Moscow State University
KU Leuven
Rochester Institute of Technology
Université Libre de Bruxelles
Bar-Ilan University
Université Côte d'Azur
University of British Columbia
University of Adelaide
CNRS Centre National de la Recherche Scientifique
Institut FOTON - UMR6082
University of Birmingham
Washington State University Pullman
Cornell University
Sorbonne Université
Christopher Newport University
University of Melbourne
Astronomical Observatory Warsaw University
University of Maryland, College Park
Università degli Studi di Milano-Bicocca
Sezione di Milano Bicocca
Universidade de Santiago de Compostela
University of Chicago
University of Arizona
University of Massachusetts Dartmouth
Niels Bohr Institutet
Universidad de Guadalajara
Istituto di Astrofisica e Planetologia Spaziali
Colorado State University
Universitat de Val ncia
National Central University
National Tsing Hua University
Charles Sturt University, Wagga Wagga
Vanderbilt University
University of Chinese Academy of Sciences
National Yang Ming Chiao Tung University
University of Texas at Austin
Northeastern University
University of Toyama
Carleton College, USA
University of Szeged
Swinburne University of Technology
University of Rhode Island
Osservatorio Astronomico di Brera
Montana State University
The University of Utah
Johns Hopkins University
University of Texas Rio Grande Valley
Université de Liège
Dipartimento di Fisica e Astronomia dell'Università
INFN - Sezione di Bologna
University of Manitoba
Università degli Studi di Sassari
Laboratori Nazionali del Sud
Université de Normandie
Laboratoire de Physique Corpusculaire Caen
University of Sheffield
Università di Firenze
Universit di Parma
California State University, Los Angeles
Marquette University
Perimeter Institute for Theoretical Physics
Mines Paris - PSL
Università di Trieste
NCBJ
Vrije Universiteit Brussel
University of Zurich
University of Toronto
Stony Brook University
Flatiron Institute
Montclair State University
Institute for Nuclear Research
Indian Institute of Technology Bombay
Universidade do Minho
CPPM
CNR-SPIN
Università della Basilicata
Western Washington University
University of the West of Scotland
Barry University
Eötvös University
Osaka City University
University of Sannio at Benevento
University of California, Berkeley
Universidad Autónoma de Madrid
Université du Mans
University of Southampton
University of California Riverside
Universit Degli Studi Roma Tre
University of Nevada, Las Vegas
Faculty of Engineering, University of Nottingham
Ariel University
University of Mississippi
Tokyo Institute of Technology
Academia Sinica, Institute Of Physics
Universities Space Research Association
Chinese University of Hong Kong
American University
Università degli Studi di Milano
Fukuoka University
University of Cambridge
Lancaster University
Nihon University
Niigata University
Tamkang University
Rutherford Appleton Laboratory
Aoyama Gakuin University
Helmut Schmidt University - University of the Federal Armed Forces Hamburg
Observatoire Astronomique de Strasbourg
University of Białystok
National Astronomical Observatories of China
Sungkyunkwan University
Ulsan National Institute of Science and Technology
Chung-Ang University
University of Washington Bothell
Université Joseph Ki-Zerbo
Ewha Womans University
National Institute for Mathematical Sciences
Korea Astronomy and Space Science Institute
Chungnam National University
Nagoya University
Aristotle University of Thessaloniki
Bard College
Technische Universitaet Braunschweig
Institute of Mathematics of the Polish Academy of Sciences
Jagiellonian University
Université de Montréal/Polytechnique
IISER-Kolkata
Seoul National University
Inje University
Univ Gustave Eiffel
National Cheng Kung University
St. Thomas University, Miami
Scuola Normale Superiore di Pisa
ICREA
Universitaet Heidelberg
Tokyo City University
Tsinghua University
University of Canterbury
Institut des Hautes Etudes Scientifiques
Ryukoku University
Phenikaa University
University of Stavanger
Hiroshima University
University of Amsterdam
University College London
Observatoire de Paris Meudon
University of Maryland, Baltimore County (UMBC)
CSIR-Central Glass and Ceramic Research Institute
Consiglio Nazionale delle Ricerche
Yonsei University
Hobart and William Smith Colleges
Osservatorio Astronomico di Padova
Museo Storico della Fisica e Centro Studi e Ricerche 'Enrico Fermi'
Kennesaw State University
Universite de Nantes
Universidad de Antioquia
Universidad Politécnica de Madrid
National Institute of Technology
Trinity College Hartford
University of Ferrara
Toho University
Indian Institute of Technology Gandhinagar
Peking University
Laboratoire MSME
Osaka Institute of Technology
NASA Goddard Space Flight Center
Kochi University
Université PSL
Hakubi Center for Advanced Research
Kyoto University
Yukawa Institute for Theoretical Physics
Dipartimento di Fisica ed Astronomia dell'Università
National Defense Academy of Japan
Eindhoven University of Technology
Beijing Normal University
Wuhan University

Research output: Contribution to journal › Article › peer-review

Original language	English
Article number	L22
Journal	Astrophysical Journal Letters
Volume	1004
Issue number	2
DOIs	https://doi.org/10.3847/2041-8213/ae2c74
State	Published - Jun 20 2026
Externally published	Yes

ASJC Scopus Subject Areas

Astronomy and Astrophysics
Space and Planetary Science

Keywords

Gravitational wave astronomy (675)
Gravitational wave detectors (676)
Gravitational wave sources (677)
Neutron stars (1108)
Stellar mass black holes (1611)

Access to Document

10.3847/2041-8213/ae2c74

Cite this

GWTC-4.0: Updating the Gravitational-wave Transient Catalog with Observations from the First Part of the Fourth LIGO–Virgo–KAGRA Observing Run. / The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration.
In: Astrophysical Journal Letters, Vol. 1004, No. 2, L22, 20.06.2026.

Research output: Contribution to journal › Article › peer-review

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title = "GWTC-4.0: Updating the Gravitational-wave Transient Catalog with Observations from the First Part of the Fourth LIGO–Virgo–KAGRA Observing Run",

keywords = "Gravitational wave astronomy (675), Gravitational wave detectors (676), Gravitational wave sources (677), Neutron stars (1108), Stellar mass black holes (1611)",

author = "\{The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration\} and Abac, \{A. G.\} and I. Abouelfettouh and F. Acernese and K. Ackley and C. Adamcewicz and S. Adhicary and D. Adhikari and N. Adhikari and Adhikari, \{R. X.\} and Adkins, \{V. K.\} and S. Afroz and A. Agapito and D. Agarwal and M. Agathos and N. Aggarwal and S. Aggarwal and Aguiar, \{O. D.\} and Ahrend, \{I. L.\} and L. Aiello and A. Ain and P. Ajith and S. Akcay and T. Akutsu and S. Albanesi and W. Ali and S. Al-Kershi and C. All{\'e}n{\'e} and A. Allocca and S. Al-Shammari and Altin, \{P. A.\} and S. Alvarez-Lopez and W. Amar and O. Amarasinghe and A. Amato and F. Amicucci and C. Amra and A. Ananyeva and Anderson, \{S. B.\} and Anderson, \{W. G.\} and M. Andia and M. Ando and M. Andr{\'e}s-Carcasona and T. Andri{\'c} and J. Anglin and S. Ansoldi and Antelis, \{J. M.\} and S. Antier and M. Aoumi and Appavuravther, \{E. Z.\} and M. Zanolin",

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KW - Gravitational wave detectors (676)

KW - Gravitational wave sources (677)

KW - Neutron stars (1108)

KW - Stellar mass black holes (1611)

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GWTC-4.0: Updating the Gravitational-wave Transient Catalog with Observations from the First Part of the Fourth LIGO–Virgo–KAGRA Observing Run

ASJC Scopus Subject Areas

Keywords

Access to Document

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