Gaia Data Release 2
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Fig. 6


Sky source densities (count deg−2) in Galactic coordinates of the published sources in the classification table (left column; see Sect. 4.3) and SOS tables (right column; see Sect. 4.4). In the classification plots, the best_class_name entries were grouped by main type, as listed in parentheses. Galactic longitude increases to the left side.

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