SIMBAD: Cross-identification Gaia

Cross-identification of SIMBAD with Gaia DR2

The cross-identification between the SIMBAD database and the ESA Gaia mission Data Release 2 has been successfully performed on June 30, 2018, on about 4.5 million objects.

The following data have been upgraded in SIMBAD :

4.5 million coordinates, Gaia DR2 identifiers, G magnitudes 3.8 million parallaxes 3.8 million proper motions 2.0 million radial velocities

The criteria used for the cross-identification :

The data recorded in the SIMBAD Collection of Measurements :

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