Getting Started

Welcome! The LIGO Open Science Center (LOSC) provides access to LIGO and Virgo data, as well as documentation, tutorials, and online tools for finding and viewing data.

What are gravitational-wave interferometers?



Where's the data?

  • The Data Page allows you to download LIGO and Virgo data.

  • The main data are time series sampled at 16384 Hz or 4096 Hz.

  • Data are calibrated so that gravitational wave signals have units of dimensionless strain (ΔL / L).


How do I work with LIGO and Virgo data?

  • The Tutorials Page shows examples of how to work with gravitational-wave data. If you are a student, this is a great place to start.

    The Software Page provides links to analysis software libraries used by the LIGO Scientific Collaboration and Virgo Collaboration.

When were the detectors running?