GW Open Science Center Gravitational Wave Open Science Center Discover Gravitational-Wave Observatory Data, Tutorials, and Software Tools. Explore Data Learn The Gravitational-wave Transient Catalog (GWTC) is a cumulative set of events detected by LIGO, Virgo, and KAGRA. build_circle Open Data Workshop Participants will receive a crash-course in gravitational-wave data analysis that includes lectures, software tutorials, and a data challenge. local_library Tutorials Learn with tutorials that will lead you step-by-step through some common data analysis tasks. News O4b Open Data Release O4b Open Data Release The LIGO, Virgo, and KAGRA collaborations have publicly released a new dataset from the second segment of their fourth observing run (O4b), covering gravitational-wave (GW) observations from April 10, … Read more... 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 … Read more... 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 … Read more...