Fig. 7

Velocity maps in km s-1 of the Hα (left) and CO emission (right). The black contours in the left panel represent the ALMA CO(1–0) emission distribution. The colour scale is the same for both maps, with a velocity range −330 <v< −120km s-1, relative to Centaurus A. It is thus clear that the CO is blueshifted compared to the Hα emission.
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