Tycho-2 TDSC Merge Best Neighbour (gaiadr3.tycho2tdsc_merge_best_neighbour)

The table has 2518329 rows, 6 columns.


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This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://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
source_id long meta.id
Unique Gaia source identifier
original_ext_source_id char meta.id.cross Original External Catalogue source identifier
angular_distance float pos.angDistance arcsec Angular Distance between the two sources
xm_flag short meta.code.status Cross-match algorithm flag
tycho2tdsc_merge_oid integer meta.id.cross External Catalogue source identifier
number_of_neighbours short meta.number Number of neighbours in Gaia Catalogue