All Figures

Figure 1: As an example, the observed a versus (g1-y) and V versus (g1-y) diagrams for the cluster Ruprecht 115 is presented. Left panels: the solid lines represent the corresponding isochrones taken from Claret et al. (2003) and Claret (2004), which are based on the  photometric system. The derived ages, reddenings, and distance moduli are given in Table 2. Right panels: the solid line is the normality line, whereas the dotted lines are the confidence intervals corresponding to 99.9%. The error bars for each individual object are mean errors. The detected peculiar objects are marked by stars. Only members (filled circles) have been used to derive the normality lines, their coefficients can be found in Table 4. The dotted vertical lines represent the colour index for spectral type A0.

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In the text

	Figure 2: The detected probable (filled circles) and questionable (open circles) peculiar stars within the (B-V)0/MV plane as given in Table 2. The solid line represents the ZAMS relation from Schmidt-Kaler (1982).
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In the text

	Figure 1: The observed a versus (g1-y) and V versus (g1-y)diagrams for the clusters King 21, NGC 3293, and NGC 5999.
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In the text

	Figure 1: Continued. The observed a versus (g1-y) and V versus (g1-y)diagrams for the clusters NGC 6802, NGC 6830, and Ruprecht 44.
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In the text

	Figure 1: Continued. The observed a versus (g1-y) and V versus (g1-y)diagrams for the clusters Ruprecht 115 and Ruprecht 120.
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In the text