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Fig. 18.
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Set of MIST isochrones for [Fe/H] = 0 and [α/Fe] = 0 (top panel), and [Fe/H] = +0.3 and [α/Fe] = 0 (bottom panel). The black point corresponds to the fitted value of the RGB bump in Baade’s window, assuming a mean age for the stars of 10 Gyr, and a mean solar metallicity.
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