Bannière Centre de données astronomiques de Strasbourg 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.

Evolution of SIMBAD contents

1 avril 2022
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In 2022, CDS celebrates its 50th anniversary. The contents of the SIMBAD astronomical database has greatly evolved, now reaching over 400,000 bibliographic references with nearly 30 million citations of astronomical objects in these references.

This animation shows the evolution of SIMBAD contents over time. The sky map shows the evolution of the number of objects in the database, weighted by the number of references.
Visit the SIMBAD website for more information : http://simbad.unistra.fr/simbad/

Credits :
Data preparation, concept and animation : T. Boch.
Music : Overlove by John Tasoulas, Licence CC BY 3.0 (https://soundcloud.com/john-tasoulas)
Post production : S. Derriere

Mots clés : 50 years simbad

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