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GWTC-4.0: An Introduction to Version 4.0 of the Gravitational-Wave Transient Catalog

  • The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration
  • Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
  • National Science Foundation
  • University of Salerno
  • National Institute for Nuclear Physics
  • University of Warwick
  • Pennsylvania State University
  • Leibniz University Hannover
  • University of Wisconsin-Milwaukee
  • California Institute of Technology
  • Louisiana State University
  • Tata Institute of Fundamental Research
  • Université catholique de Louvain
  • Inter-University Centre for Astronomy and Astrophysics India
  • Queen Mary University of London
  • Sejong University
  • Instituto Nacional de Pesquisas Espaciais
  • University of the West of Scotland
  • University of Rome Tor Vergata
  • University of Antwerp
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  • National Institutes of Natural Sciences - National Astronomical Observatory of Japan
  • Friedrich Schiller University Jena
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  • University of Western Australia
  • Université Savoie Mont Blanc
  • University of Naples Federico II
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  • Massachusetts Institute of Technology
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  • National Institute for Subatomic Physics
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  • The University of Tokyo
  • University of Barcelona
  • Institute for High Energy Physics
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  • University of Florida
  • University of Udine
  • Instituto Tecnologico de Estudios Superiores de Monterrey
  • Université Côte d'Azur
  • University of Camerino
  • University of Washington
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  • Georgia Institute of Technology
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  • The Graduate University for Advanced Studies
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  • APC - AstroParticule et Cosmologie
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  • Universite Claude Bernard Lyon 1
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  • Kenyon College
  • Missouri University of Science and Technology
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  • Lomonosov Moscow State University
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  • University of Trento
  • Rochester Institute of Technology
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  • Université de Rennes 1
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  • Sorbonne Université
  • Christopher Newport University
  • University of Melbourne
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  • Services and Estate Management
  • University of Białystok
  • University of Southampton
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  • Aix-Marseille Université
  • Université Joseph Ki-Zerbo
  • Ewha Womans University
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  • High Energy Accelerator Research Organization, Institute of Particle and Nuclear Physics
  • Bard College
  • Institute of Mathematics of the Polish Academy of Sciences
  • Jagiellonian University in Kraków
  • Nagoya University
  • Polytechnique Montreal
  • Indian Institute of Science Education and Research, Kolkata
  • Texas Tech University
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  • NASA Marshall Space Flight Center
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  • Institute of Space Studies of Catalonia
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  • Cité Descartes
  • University of Tsukuba
  • Chapman University
  • Osaka Institute of Technology
  • NASA Goddard Space Flight Center
  • RIKEN
  • International School for Advanced Studies
  • associé au CNRS et à l’Université P&M. Curie
  • Goethe University Frankfurt
  • Istituto di Astrofisica Spaziale e Fisica Cosmica di Bologna
  • Universidade Estadual Paulista Júlio de Mesquita Filho
  • Kyoto University
  • Carleton College
  • University of Catania
  • National Institute of Technology
  • National Defense Academy of Japan
  • Texas A&M University
  • Eindhoven University of Technology
  • University of Utah
  • Beijing Normal University

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

The Gravitational-Wave Transient Catalog (GWTC) is a collection of short-duration (transient) gravitational-wave signals identified by the LIGO-Virgo-KAGRA Collaboration in gravitational-wave data produced by the eponymous detectors. The catalog provides information about the identified candidates, such as the arrival time and amplitude of the signal and properties of the signal’s source as inferred from the observational data. GWTC is the data release of this dataset, and version 4.0 extends the catalog to include observations made during the first part of the fourth LIGO-Virgo-KAGRA observing run up until 2024 January 31. This Letter marks an introduction to a collection of articles related to this version of the catalog, GWTC-4.0. The collection of articles accompanying the catalog provides documentation of the methods used to analyze the data, summaries of the catalog of events, observational measurements drawn from the population, and detailed discussions of selected candidates.

Original languageEnglish
Article numberL18
JournalAstrophysical Journal Letters
Volume995
Issue number1
DOIs
StatePublished - 10 Dec 2025

Bibliographical note

Publisher Copyright:
© 2025. The Author(s). Published by the American Astronomical Society.

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