Gaia Data Release 1
Free Access

Fig. A.1


Mahalanobis (i.e. normalised) distance and angular distance distributions for three different algorithms (position propagation using proper motions in blue, position error broadening in light blue, and original position errors in yellow) for the Gaia-TGAS subsample matched with 2MASS PSC, UCAC4, and GSC 2.3.

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