Fig. A.1
Stellar-population spectral fitting of the HII regions of NGC 1232, a apertures 02, 03, and 04 of the N-S slit. Left figures: spectra fitted with BC03 and right: with V15 models. In each figure, top left panel: observed spectrum in black, and the fitted synthetic spectrum in red. Bottom left panel: residual of the difference between the two. Right panel: star formation history (SFH), which indicates the contribution of each population age and metallicity to the final synthetic spectrum.
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