Open data from LIGO, Virgo, and KAGRA through the first part of the fourth observing run

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Armstrong, Steven and Ben Yaala, Marwa and Fazio, Mariana and Gier, Chalisa, The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration (2026) Open data from LIGO, Virgo, and KAGRA through the first part of the fourth observing run. The Astrophysical Journal, 1004 (2). 232. ISSN 1538-4357 (https://doi.org/10.3847/1538-4357/ae211e)

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Abstract

LIGO, Virgo, and KAGRA form a network of gravitational-wave observatories. Data and analysis results from this network are made publicly available through the Gravitational Wave Open Science Center. This paper describes open data from this network, including the addition of data from the first part of the fourth observing run and selected periods from the preceding engineering run, collected from 2023 May to 2024 January. The public dataset includes calibrated strain time series for each instrument, data from additional channels used for noise subtraction and detector characterization, and analysis data products from version 4.0 of the Gravitational-Wave Transient Catalog.

ORCID iDs

Armstrong, Steven, Ben Yaala, Marwa ORCID logoORCID: https://orcid.org/0000-0002-6754-0875, Fazio, Mariana ORCID logoORCID: https://orcid.org/0000-0002-9057-9663 and Gier, Chalisa ORCID logoORCID: https://orcid.org/0000-0003-0897-7943;
CORE (COnnecting REpositories)