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Fig. 8


IRS data and synthetic SED for the combination η = 0.7 and I = 50 J K−1 m−2 s−1∕2 (minimum cross-section). The blue line shows the contribution from the nucleus, the green line represents that from the dust coma, and the red line is the sum of both (nucleus + coma). Residuals correspond to the difference between the model (nucleus + dust coma) and the data. The discontinuity between the SL and LL mode results from their different field of views, with less coma in SL mode (smaller field of view) than in LL mode (larger field of view).

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