Fig. 4.
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I13120 PV diagrams along the galaxy major axis. Left two panels: PV maps of the total Hα and the narrow Hα emission. Right panels: extracted line velocity centroids and line width of the narrow Hα, as well as the stellar velocities along the same axis. 1″ corresponds to ∼0.6 kpc at the distance of I13120, as labelled in the third panel.
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