The SIMBAD (Set of Identifications, Measurements and Bibliography for Astronomical Data) astronomical database provides basic data, cross-identifications, bibliography and measurements for astronomical objects outside the solar system. It is maintained by the Centre de données astronomiques de Strasbourg (CDS), France. As of 1 June 2020, SIMBAD contains information of ~5,800,000 stars and ~5,500,000 nonstellar objects (galaxies, planetary nebulae, clusters, novae and supernovae, etc.).



Phoranso makes use of the SIMBAD database, operated at CDS, Strasbourg, France. 2000,A&AS,143,9 , "The SIMBAD astronomical database", Wenger et al.