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Fig. 21


Details of the comparison between synthetic (upper panel) and observed (lower panel) Teff − MV diagram for the horizontal branch of M 22. Red squares are metal-poor stars (in the lower panel, stars of groups 1 and 2); blue triangles are metal-rich stars (in the lower panel, stars of group 3). The region of the HB observed in this paper is within the dashed lines in both panels.

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