Fig. 17.
Mean pitch angle as a function of spiral strength, measured from tangential-to-radial forces (Eq. (6)). The colour palette and symbols are the same as in Fig. 14. The red dashed line represents the linear fit to the data cloud, while the green and black lines show the fit for flocculent and grand-design+multi-armed galaxies, respectively.
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.