Free Access

Fig. 4

thumbnail

Ambipolar diffusion heating as a function of the normalized distance from the core center. For comparison, the red line shows the cosmic-ray heating rate for a cosmic-ray ionization rate 3 × 10-17 s-1 and energy deposition ΔQ = 20 eV.

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.