Total millimeter flux as a function of wavelength from the same ALMA bands as in the right panel of Fig. 5 (case of a_initial = [10⁻⁶–10⁻⁴] cm). The fluxes are calculated in three different regions (as denoted in the right panel of Fig. 4), the inner disk (r < 16 au), the gap (16 au < r < 36 au), and the ring (36 au < r < 112 au). The dashed line shows the best power-law fit to the data and the spectral index for each region.