Fig. 4.
Integrated intensity (left column), velocity (center column), and dispersion (right column) maps for the NW galaxy (top row), the blue wing (center row), and the two red wing components (bottom row). Only regions with > 3σ detections are shown. The green cross marks the position of the CO(1-0) peak in the NW galaxy. Contours correspond to 3, 5, 10 and 20σ, where σ for each map is listed in Table 2. The NOEMA beam is shown in the bottom-left corner of the first panel.
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