Fig. 1

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AIB template spectrum for the Orion Bar atomic PDR, showcasing the 6.2, 7.7, 8.6, 11.0, and 11.2 μm AIBs shaded in red and indicated by the vertical solid blue lines. The blue curve shows the underlying “global” continuum, the orange curve indicates the “local” continuum (lc), and the black round symbols mark the anchor points used for the continua determination.
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