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Fig. 3


Spatial distribution of the equivalent width of six Lick indices: Hβ, Fe5015, Mg b, Fe5270, Fe5335, and Fe5406. Black lines indicate the contours of the V-band image from Arnaboldi et al. (2012) between 20 to 23.5 mag arcsec-2 in steps of 0.5 mag arcsec-2.These maps illustrate the presence of a homogeneous inner region and a large scatter at large radii, for all indices.

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