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Fig. 7


EUB vs. EBV, and EVI vs. EBV diagrams for stars with available spectral classification (see Table 5). Different colors indicate the newly identified A, B, and C stellar Populations (see Sect. 5.1). Solid lines are the normal relations ( and EBV = 1.242EVI), while the dotted line is a linear fit to to Population C (EBV = 1.41EVI).

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