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Fig. 8.
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Spectrum of the spatial segregation by (BP − RP) colour. Error bars are σ values. Λ–(2 × σ) values higher than 1 are indicative of colour bins spatially grouped. A strong spatial segregation is observed for stars redder than (BP − RP) > 4. A blue grouping is also detected with (BP − RP) < 1.5.
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