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This article has an erratum: [https://doi.org/10.1051/0004-6361/201937173e]


Fig. 19.

image

Normalized distribution of the measured Hα velocity dispersion for spaxels located in HII regions (purple) and in the DIG (green). The coloured area spans the first to third quartile of the distribution; the median is indicated as a dashed line.

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