Fig. 8.
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PV diagrams from 3DBAROLO, upper: major axis, lower: minor axis. The blue contours show the contours of the data at 2, 3, 4, 5σ levels, and the red contours show the best-fit model to the data. In the major axis pv diagram, the yellow dots show the best fit rotational velocity in each of the rings. The right axis (VLOS) shows the velocities centered around the systemic velocity of the galaxy at the redshift of G09v1.97 (z = 3.63). The left axis (ΔVLOS) shows the velocities centered around the user-set systemic velocity, here 120 km/s (Table 5).
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