Fig. A.1.

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Respective Hβ, [OIII]λ5007, Hα, and [NII]λ6585 flux maps for both fitted components. The S/N threshold is set at 3 (spaxels with S/N below this value are masked). Moreover, for the second component, all the spaxels that do not meet the criteria defined in Sect. 2.1 are masked. The maps shown in the right column are the respective fluxes but corrected for extinction.
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