SIMBAD is an acronym for:Set ofIdentifications,Measurements andBibliography forAstronomicalData.
The SIMBAD astronomical database provides basic data, cross-identifications,bibliography and measurements for 20,303,983 astronomicalobjects outside the solar system.
SIMBAD can be queried by object name, coordinates and various criteria. Lists ofobjects and scripts can be submitted.
Quickly query SIMBAD:
M31 in SIMBAD