Gaia Data Release 1
Free Access

Table 3

BestNeighbour output table content.

Field name Short description

SourceId Gaia source identifier
OriginalExtSourceId Original external catalogue source identifier
AngularDistance Haversine angular distance (arcsec)
NumberOfMates Number of mates in Gaia catalogue
NumberOfNeighbours Number of good neighbours in external catalogue
BestNeighbourMultiplicity Number of neighbours with same probability as best neighbour
ProperMotionFlag Use of Gaia proper motions (TGAS subsample)

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