Fig. 22.
Gini vs M20 coefficients for the DPS (top panel) and the NBCS (lower panel). Blue (resp. orange) contours represent galaxies classified as LTG (resp. S0) and red (resp. green) dots denote elliptical (resp. merger) galaxies (See the classification in Sect. 3.2). The purple line separates galaxies classified as merger on the left hand side and galaxies associated with a Hubble type on the right hand side (Lotz et al. 2004). The lower black dashed line divides elliptical, S0 and Sa galaxies from later types namely Sb, Sc and Irr (Lotz et al. 2008).
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