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Fig. 4

image

From left to right: 3.6 μm observations with subtracted background and stars (Δ3.6) compared to its modeling, and the same at 8 μm (Δ8). The black dashed line shows the horizontal cut through the core represented in the last panel. The red line corresponds to the profile from observations (Δ8), and the yellow filled shape displays modeling profiles without Isca for Ibg values ranging from 0.42 to 0.93 MJy sr-1. The black profile is the one example without Isca for Ibg = 0.58 MJy sr-1, and the blue one is the same model when including Isca.

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