Fig. 23
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Line cut from the Orion Bar to the southwest, reaching the Eastern Rim at 12′, indicated in Fig. 15. The offset is given with respect to θ1 Ori C. The IRAC 8 μm filter measures predominantly the emission in the 7.7 μm PAH band. IRS has measured the strength of the 11.2 μm PAH feature. The 11.2 μm intensities are taken from Table 1 in Boersma et al. (2012).
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