Open Access

Fig. 3.

image

Histogram of velocity gradients measured for M 51 clouds. The black histogram is for the subsample S/N ≥ 7 and the red for the subsample S/N ≥ 10. The gradients in the higher S/N subsample are better defined (more prograde and with a more significant gradient).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.