Fig. 12.
Single stellar population properties for NGC 448 recovered by fitting the Thomas models. Left panel: 2D maps of the age, metallicity ([Z/H]), and α-element-to-iron abundance ([α/Fe]) for the counter-rotating component. Middle panel: same age, metallicity, and [α/Fe] maps for the main stellar kinematic component. Right panel: radial profiles of the best-fitting ages, [Z/H], and [α/Fe] of the counter-rotating kinematic component (red) and the main one (blue). The error bars were evaluated by taking the resistant standard deviation of the values within a given annulus.
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