Fig. 10
[α/ Fe] ratio as a function of [M/H] of the AMBRE/Li stars for the working sample (3009 stars). The full magenta line shows the thin to thick disc separation. The magenta dashed line shows the extrapolated separation for [M/H] > −0.15 dex. The thin disc stars are colour-coded in blue, while thick disc members are in red. The metal-rich α-rich stars are shown in green.
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