Fig. 6.
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Stellar mass-to-light ratio, M⋆/LK (Eq. (9)), in the Ks-band in dependence of LK for galaxies with an age of 13.6 Gyr assuming gconv = 25% (red lines) and 10% (blue lines) in the canonical IMF (left panel) and IGIMF-2021 (right panel) context. The dashed black line shows the mean M⋆/LK of the two different chemical enrichment models (red and blue lines).
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