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Fig. 2


Colour-σe diagram. The (V − K)e colour has been measured in a fixed aperture equal to the half light radius of each galaxy. The new dE sample presented in this work (T11) is shown with the red (pressure supported) and blue (rotationally supported) symbols. Stars indicate dEs younger than 7 Gyr while circles older than 7 Gyr. The more massive hot stellar systems are the SAURON sample (Falcón-Barroso et al. 2011, FB11). The dark grey dots and light grey diamonds are the early-types and Sa galaxies respectively. The solid black line is the fit for E/S0 done by FB11 (Sa galaxies not included in the fit). The dotted lines denote the 1σ scatter in the relation for the fitted galaxies.

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