GSC2.3 BestNeighbour table lists each matched Gaia object with its best neighbour in the external catalogue.
If you have used Gaia data in your research, please use the following acknowledgement:
This work has made use of data from the European Space Agency (ESA) mission Gaia (http://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, http://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement.
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|gsc23_oid||long||meta.id.cross||External Catalogue source identifier|
|number_of_neighbours||int||meta.number||Number of neighbours in External Catalogue|
|number_of_mates||short||meta.number||Number of mates in Gaia Catalogue|
|best_neighbour_multiplicity||short||meta.number||Number of neighbours with same probability as best neighbour|