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Fig. 1
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General view of the NGC 7023 NW PDR. Grey image is Spìtzer-IRAC data at 8 µm. Green contours show the emission in the H2 1–0 S(1) line at 0.5, 1 and 2 × 10−7 W m−2 sr−1, from observations at CFHT presented in Lemaire et al. (1996). The orange contour defines the region considered here for the PE heating study.
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