Fig. 2
Histograms derived in our fitting procedure for two different pixels (70, 123) (top) and (88, 144) (bottom) corresponding to star-forming and diffuse regions, respectively. The values of the best fit parameters obtained as described in the text are: G0 = 3.69 ± 0.97, Y PAH = (2.1 ± 0.4) × 10−3, Y VSG = (3.1 ± 1.8) × 10−3, and Y BG = (2.5 ± 0.6) × 10−2 for the top panel, and G0 = 3.17 ± 0.97, Y PAH = (2.6 ± 0.7) × 10−4, Y VSG = (4.1 ± 2.5) × 10−4, and Y BG = (5.5 ± 1.5) × 10−3 for the bottom panel. The dashed line corresponds to the Gaussian fitted to each PDF. We compare the results from the best fit parameters obtained with our procedure and those derived from the Gaussian fitting in Appendix A.
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