Fig. 5.

Central metallicity (top panel) and central age (bottom panel)as a function of the central velocity dispersion for NGC 6482 (red open diamond) and NGC 7556 (red filled diamond), the FG BCGs from Eigenthaler & Zeilinger 2013, green open circles) and Proctor et al. 2014, green filled circles), and the early-type normal (open squares) and dwarf (filled squares) galaxies with σ > 50 km s−1 from Koleva et al. (2011).
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