SIDONIe
in numbers

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Autres sites
Sixth Orbit Catalog
Fourth Interferometric Catalog
Outil de recherche d'étoiles doubles visuelles dans l'index WDS
The Washington Double Star Catalog

O. C. A. J. L. Lagrange Laboratory
Danielle Le Contel,  Daniel BonneauJean-Claude Thorel,  Jean Claude Valtier,  Damien Mattei

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