Decomposition of the integrated strip SED into the individual uniformly illuminated SEDs. The grey circles and error bars are the integrated observed fluxes of R10 (Table 1). The total model (black line; Eq. (7)) is the sum of the independent stellar component (grey filled area), and of the integral of uniformly illuminated dust SEDs (in colors; Eq. (4)). There is linear gradation in U between colors for the uniformly illuminated SEDs. The starlight intensity U is in units of 2.2 × 10^-5 W   m^-2. The sum of these components is the black line. The green dots are the synthetic photometry (i.e. the model integrated in each instrumental filter). The left panel shows the “standard model”, while the right panel shows the “AC model”. To quantify the quality of the fits, the reduced chi square is for the “standard model” and for the “AC model”.