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Fig. 13

image

Comparison of [O I] 63 (red) and [O I] 145 μm (blue) spectra coadded over 14′′ with centers at offsets shown in the panels. The smooth curve (black) shows the fit to the [O I] 63 spectrum obtained by attenuating the scaled (by a factor 2 corresponding to the typical ratio between the two [O I] lines in temperature units) [O I] 145 μm spectrum by absorption due to foreground material.

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