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Table 2.

Basic statistics of the astrometric parameters of all the objects in the KiDS output catalogue classified as quasars and with a match in Gaia DR2.

Parameter Mean Median Standard deviation
, [mas] −0.010 −0.014 1.125
μα, [mas yr−1] −0.028 −0.018 2.104
μδ, [mas yr−1] −0.104 −0.005 2.005

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