Simbad

Astronomical objects database.

SIMBAD is an acronym for: Set of Identifications, Measurements and Bibliography for Astronomical Data.

The SIMBAD astronomical database provides basic data, cross-identifications, bibliography and measurements for 18,050,931 astronomical objects outside the solar system.

SIMBAD can be queried by object name, coordinates and various criteria. Lists of objects and scripts can be submitted.

Quickly query SIMBAD:

M31 in SIMBAD

M31 in SIMBAD