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Fig. 1

Overlay of the PACS observations (CO J = 19–18) on a IRAC 8 μm image of the Orion Bar. A 4 × 4 raster map (16 overlapping footprints) is shown in green. A representation of a footprint with its 5 × 5 spatial pixels is illustrated in the bottom right corner of the figure together with their dimensions.
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