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Fig. 7
Displayed is the difference second moment map (ΔM2) calculated from the second moment map of the velocity range −588 ≤ vLSR [ km s-1 ] ≤ −25 and −75 ≤ vLSR [ km s-1 ] ≤ −25 shown in the righthand panels of Fig. 6. We set the lower threshold to 1 km s-1.
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