Users wishing to look up the E/DR3 record for an astrophysical source identified in DR2 must NOT simply extract the record from E/DR3 having the same source identifier.As described in the detailed des
VizieR online Data Catalogue associated with article published in journal Astronomy and Astrophysics with title ' Quasar and galaxy classification using Gaia EDR3 and CatWise2020.' (bibcode: 2022A&
Table urat1_best_neighbour lists each matched Gaia object with its best neighbour in the external catalogue. The cross-match algorithm is not symmetric and searches Gaia sources counterpa