Fig. A.4

Velocity-channel maps of the HNCO(50,5–40,4) emission. Black contour levels for the molecular line emission are from 0.11 K (3σ) to 0.44 K in steps of 0.11 K. White contour levels are from 0.44 K in steps of 0.44 K. In order to show more clearly the spatial distribution of the weak emission, the intensity scale has been saturated. The other characteristics of the figure are the same as in Fig. A.1.
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