SIDONIe
in numbers
Would you like to
know everything
about this database ?
Would you like to
enter the database
?
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 Bonneau
,
Jean-Claude Thorel
, Jean Claude Valtier,
Damien Mattei
Welcome