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Fig. 3
Pericentres (at R< 8 kpc) and apocentres (at R> 8 kpc) vs. [α/Fe] for stars in the sample of Adibekyan et al. The stars with age determinations used here are shown in black. The data illustrate that the thick-disc stars at [α/Fe] > 0.2 dex span the whole range of radii from the Galactic centre to ~10 kpc.
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