Fig. A.1
Dependence on the average age assumed for old stellar particles of the characteristic photometric parameters of the antitruncations and of the inner and outer discs in four models (gSagSao5, gSagSdo41, gSbgSbo22, and gSdgSdo5). Filled symbols remark the most likely ages for the old stellar populations coming from a progenitor of a given Hubble type (see Appendix A.2). Consult the legend in the figure. (Color version online.)
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