Fig. 1.
HD 219134 location on the colour-magnitude diagram (left panel) and on the log Teff–MV diagram (right panel) together with some reference isochrones. Red stands for 1 Gyr models, while blue stands for 10 Gyr models; solid lines are representative of the nominal stellar metallicity (Z = 0.020 → [Fe/H] = 0.11); dashed lines refer to extremely super-solar metallicity Z = 0.070 → [Fe/H] = 0.66.
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