Fig. 2.
Top-left panel: distribution of stars in our sample in [Fe/H]–[Mg/Fe] plane. Coloured lines correspond to isodensity contours, in logarithmic scale, as indicated in the colour bar on the right-hand side of the panel. Top-right panel: mean azimuthal velocity of stars in [Fe/H]–[Mg/Fe] plane. In this and all subsequent panels, the pixel size is 0.152 × 0.044, and only pixels containing more than ten stars are shown. Bottom-left panel: mean vertical velocity dispersions of stars in [Fe/H]–[Mg/Fe] plane. Bottom-middle panel: mean radial velocity dispersions of stars in [Fe/H]–[Mg/Fe] plane. Bottom-right panel: mean azimuthal velocity dispersions of stars in [Fe/H]–[Mg/Fe] plane.
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