Gaia Data Release 2
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Table 1

Relative source counts for sources with ≥2 G-band FoV transits, illustrating the decrease in relative completeness for source sets with ≥12 and ≥20 G-band FoV transits, as applied in our processing.

Direction ≥ 2 FoV ≥12 FoV ≥20 FoV
ALL 100% (1607) 80% (1283) 51% (826)
Galactic plane 100% (778) 85% (665) 68% (532)
Galactic centre 100% (351) 67% (236) 14% (50.0)
High Galactic latitudes 100% (50.4) 76% (38.4) 48% (24.4)
LMC region 100% (23.5) 76% (17.9) 59% (13.9)
SMC region 100% (3.4) 78% (2.6) 66% (2.2)
Catalina DR2 100% (400) 80% (320) 53% (210)
Catalina DR1 100% (200) 80% (160) 50% (100)
OGLE-IV Bulge 100% (305) 66% (200) 10% (29)
OGLE-IV MCs 100% (33) 77% (25) 62% (20)
Kepler 100% (8.4) 87% (7.4) 78% (6.6)
Rebull et al. (2016) (K2 Pleiades) 100% (0.38) 85% (0.32) 66% (0.25)
Hartman et al. (2010) (Pleiades) 100% (0.87) 84% (0.73) 51% (0.44)

Notes. The top part specifies the numbers for some generic directions in the Galaxy, as defined in Sect. 2.1 and illustrated in Fig. 1. The bottom part specifies the numbers for several external catalogues, listing the Gaia source counts in their approximate sky footprints (not their source cross-match counts). In parenthesis, we provide the actual Gaia source counts in millions. Estimates of the absolute completeness of the published variable samples are presented in Tables 2 and 3.

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