Fig. 9.
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Fraction of young and old spaxels for galaxies in each merger stage. We use the Dn(4000) parameter and the divisory value of Dn(4000) = 1.67 (as in Mateus et al. 2006) to separate between young (Dn(4000) ≤ 1.67, in blue) and old (Dn(4000) > 1.67, in orange) spaxels. The number of galaxies in each merger stage is indicated on the right-hand side, with text coloured as in Fig. 10.
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