Open Access

Fig. 9.

image

Mass-size relation for the M 31 circum-nuclear clumps (large full black symbols) superposed on the relation obtained for Milky Way clouds by Miville-Deschênes et al. (2017). The colour scale is proportional to the density of points. The solid line indicates a linear fit of slope 2.2. The small empty symbols denote the clouds identified in Centaurus A northern filament by Salomé et al. (2017).

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