Fits of the [O III] doublets observed in the nuclear spectra extracted with an aperture of 1.2″ in diameter. The observed spectra are shown in blue, the model including all the components in black, and the residuals from the fit in brown. Same colors correspond to the same physical components: narrow (n; orange dashed), intermediate (i; green dot-dashed), and broad (b; red solid). Noisy pixels not considered in the fits are marked with red crosses.