Open Data from LIGO, Virgo, and KAGRA through the First Part of the Fourth Observing Run
The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration: A. G. Abac, I. Abouelfettouh, F. Acernese, K. Ackley, C. Adamcewicz, S. Adhicary, D. Adhikari, N. Adhikari, R. X. Adhikari, V. K. Adkins, S. Afroz, A. Agapito, D. Agarwal, M. Agathos
TL;DR
This paper announces the release of open gravitational-wave data from LIGO, Virgo, and KAGRA's first part of the fourth observing run, providing valuable datasets for the scientific community.
Contribution
It details the inclusion of new data from the O4a run and previous engineering periods, expanding publicly available gravitational-wave datasets.
Findings
Publicly released calibrated strain data for each detector
Data includes noise subtraction and detector characterization channels
Analysis products from the latest Gravitational-Wave Transient Catalog
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 (O4a) and selected periods from the preceding engineering run, collected from May 2023 to January 2024. The public data set 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.
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