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Fig. 4
Left: NGC 3838 column density map. The contours are 5, 10 × 1019 cm-2. The ellipse on the bottom-right describes the beam shape. Right: first-moment velocity field. The contours range from 1100 to 1450 km s-1 with 20 km s-1 steps. The ellipse on the bottom-left describes the beam shape.
This figure is made of several images, please see below:
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