Fr.: données fiables
Date which are not affected by sampling error or bias.
Strasbourg Astronomical Data Center (CDS)
Fr.: Centre de Données astronomiques de Strasbourg (CDS)
A data center dedicated to the collection and worldwide distribution of astronomical data and related information. It is located at the Strasbourg Astronomical Observatory, France. The CDS has several goals, mainly: collecting all of the useful information regarding astronomical objects in computerized form, including observational data produced by observatories on the ground or in space; upgrading these data by critical evaluations and comparisons; and distributing the results to the astronomical community. Currently the CDS services include: → SIMBAD, Aladin interactive sky atlas, and VizieR catalogues.
CDS, short for Centre de Données astronomiques de Strasbourg.