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Fig. 3


Examples of SED fitting. Red squares are observed points, overlaid with the best-fit DL07 model (black line). The PDR and diffuse ISM components are shown in purple. The yellow line is the stellar component and the dashed blue line the best-fit modified blackbody model with β = 1.5. The green line in the mid-IR is the actual IRS spectrum of each source. We convolved the observed IRS spectrum with the IRS 16 μm peak-up imaging filter and a 2 μm-wide top-hat filter centred at observed 30 μm to enhance our fit with two more points in the observed mid-IR part of the spectrum. The rest of the data are taken from IRAC, MIPS, and SPIRE.

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