Fig. 5

Comparison of the old and new differential grids applied to NGC 6475. Additionally, some isochrones for the same age but for different metallicities are shown for a comparison with the dashed lines: Z = 0.010/0.040 (old grid) and Z = 0.010/0.030 (new grid). The effective temperature is normalised (TN) to the ZAMS of the respective solar metallicity.
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