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Fig. 7

image

HCl 1–0 and 2–1 transitions as observed with HIFI and CSO (black). Overplotted are the best-fit constant HCl abundance model (red), and the reduced χ2< 3 range (shaded orange) of the models. The strongest feature in the CSO data, at −20 km s-1, is a CH3OH line.

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