Fig. 2
Summary of the observations and spectral analysis for positions P1 to P4 (top to bottom row). First column: the observed spectrum (black) and its fit (red) for the AKARI observations. The fit of the 3.29 and 3.40 μm features are displayed in blue, and the 3.45 μm plateau is shown in green. Second column: observed Spitzer-IRS spectrum (crosses), its fit (black) and the decomposition obtained with PAHTAT (red: eVSG, green: PAH0, blue: PAH+).
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