Fig. 6.
Trends of the [Fe/H], [Y/H], and [Mg/Fe] abundances with age for the complete turn-off sample of AMBRE/HARPS data. Number of stars, coefficients of the fit, and total dispersion of the fit are given in each panel. Thin disc stars are plotted as filled circles, and thick disc stars as filled squares. Opened circles are high-alpha metal-rich objects, following the chemical classification of Mikolaitis et al. (2017).
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