This is the community forum on multi-messenger observations connected to Gravitational Wave (GW) transient event detections. This forum has no requirements for participation -- anyone interested can join. This open forum started in January 2018. The LIGO-Virgo-KAGRA Collaboration will use this forum to communicate and interact with the community.
Explains how to receive public alerts, documents the contents of those alerts, and explains how to interpret them.
Version 18 and later includes update information about O4 alert formats and distribution methods. Some parts of the presentation is being improved; new versions will be released if there are significant changes.