black holes merging

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

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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GW231123 Infographics
GW231123 Data Released

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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OSG Laptop
CVMFS Deprecation Notice

CVMFS Deprecation Notice

The CVMFS software tool to download gravitational-wave data locally in your machine will be discontinued and replaced by the Open Science Grid's Open Science Data Federation (OSDF) service. If you …

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