SDSS true-color images and SBPs (left- and right-side panels, respectively) for three LTGs illustrating the prominence of the bulge relatively to the disk for the three ⟨δμ_9G ⟩ intervals tentatively defined in Sect. 3: IC 0776 (log = 9.58; interval iA), NGC 0001 (log = 10.99; interval iB) and NGC 0776 (log = 11.09; interval iC). Synthetic SBPs computed through convolution of the observed IFS data with the SDSS r-band filter transmission curve are shown in black, and those after removal with of stellar populations younger than 0.03, 0.1, 0.3, 1, 3, 5, 7 and 9 Gyr with the color coding in the upper-right panel. Thick-gray curves depict r-band SBPs computed from SDSS images and used for fitting a Sérsic model to infer the bulge radius R_B (dashed vertical lines). The circles overlaid with SDSS images depict the bulge diameter.