Centre de Données Astronomiques de Strasbourg#

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Fig. 1 CDS Organization#

The Strasbourg astronomical Data Center (CDS) is an international repository of astronomical data and related information hosted at the University of Strasbourg.

  • Portal: The Portal is a gateway and aggregator for information available at CDS.

  • SIMBAD: Database for the identification of astronomical objects, measurements and bibliographic references.

  • Vizier: Reference collection of astronomical catalogs and tables.

  • Aladin: Interactive sky atlas for visualization and analysis of astronomical images, catalogs, and related data.

  • X-match: Tool to efficiently cross-identify sources between very large catalogs.

CDS data can be accessed through the web interface at https://cds.unistra.fr, FTP, TAP interface, or through third party applications and APIs.