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gaia data release 3 documentation

20.14 Performance verification

20.14.2 gold_sample_carbon_stars

A list of source IDs for carbon star candidates having strong C2 and CN molecular bands.
The list of Gaia DR3 source IDs for carbon stars is extracted from the main list of candidate carbon stars for having C2 and CN molecular bands significantly stronger than usual M stars (Gaia Collaboration et al. 2022c).

Columns description:

source_id : Unique source identifier (unique within a particular Data Release) (long)

A unique single numerical identifier of the source obtained from gaia_source (for a detailed description see gaia_source.source_id).