Centre de données astronomiques de Strasbourg
The Strasbourg astronomical data center (CDS) provides reference astronomical services:
- SIMBAD is the reference database for identification and bibliography of astronomical objects (outside the solar system).
- VizieR is a catalogue service for large sky surveys, catalogues and tables published in academic papers, and more and more other data associated to publications.
- The interactive sky atlas Aladin provides an interactive portal to access image collections and databases available via Virtual Observatory protocols.
- The CDS cross-match service allows to do positional cross-matching of very large catalogues.