APASS DR9 best neighbour (gaiadr2.apassdr9_best_neighbour)

The table has 75018791 rows, 8 columns.


APASS DR9 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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Name Type UCD Unit Description
apassdr9_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

source_id long meta.id
original_ext_source_id char
angular_distance double
gaia_astrometric_params short