Age, metallicity, and [α/Fe] distributions for our early-type dwarfs and for red passive dwarfs in a field centered on the Coma core. All galaxies were selected to have σ in the range 40–70 km s-1. Vertical arrows indicate the median values for the two samples. Within our sample, we did not include RR143_09192 and RR242_36267, which have a poor quality SSP fit (see Sect. 3.2), and the Sc galaxy RR216_12209.
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