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Gravitational Wave
Open Science Center

Discover Gravitational-Wave Observatory Data,
Tutorials, and Software Tools.

Explore Data Learn
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Event
Catalog
The Gravitational-wave Transient Catalog (GWTC) is a cumulative set of events detected by LIGO, Virgo, and KAGRA.
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Open Data Workshop
Participants will receive a crash-course in gravitational-wave data analysis that includes lectures, software tutorials, and a data challenge.
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Tutorials
Learn with tutorials that will lead you step-by-step through some common data analysis tasks.

News

AstroCalibration Paper Events
Astrophysical Calibration of GW Detectors

Astrophysical Calibration of GW Detectors

Data from two loud events have been used for the first time, as an "astrophysical calibration" of the gravitational-wave detectors.

In a typical gravitational-wave data analysis, signal waveforms together with …

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Open Data Workshop 2026

Open Data Workshop 2026

Registration is now open for the 2026 Open Data Workshop.

This free workshop provides a crash-course in GW data analysis. It will be held April, 20-23rd, 2026.

You can …

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Stellar Graveyard O4
O4a Open Data Release

O4a Open Data Release

The LIGO, Virgo, and KAGRA collaborations have publicly released a new dataset from the first segment of their fourth observing run (O4a) covering Gravitational-Wave (GW) observations from May 24, 2023, …

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