Fig. A.1
Molecular transition 12CO J = 2−1 channel maps. The center velocities are shown in the upper left corners of each panel in units of km s-1. The integrated velocity interval in each panel is 1.1 km s-1. The contour levels are from 20% up to 90% of the peak with an adjacent contour intervals of 10%. The solid black circle in the lower left corner gives the beam size.
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