Gravitational Wave
Open Science Center
Discover Gravitational-Wave Observatory Data,
Tutorials, and Software Tools.
Event
Catalog
Catalog
The Gravitational-wave Transient Catalog (GWTC) is a cumulative set of
events detected by LIGO, Virgo, and KAGRA.
Open Data Workshop
Participants will receive a crash-course in gravitational-wave data
analysis that includes lectures, software tutorials, and a data challenge.
Tutorials
Learn with tutorials that will lead you step-by-step through some common
data analysis tasks.
News
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 …
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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GW231123 Data Released
Read the notes for the release of the GW231123_135430 event!
GW231123 is the merger of the most massive black holes ever observed with gravitational waves. The merger produced a …
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