This document defines the core components of the Observation data model that are necessary to perform data discovery when querying data centers for astronomical observations of interest.
The last stable version is REC-1.1. Current work consist of a convertion of the REC-1.1 to the ivoatex format, and preparation for a next sub-version to integrate domain specific extensions.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.