Free Access

Fig. 15

thumbnail

CO column densities versus H2 column densities in the los models when combining data based on a criterion of minimum local illumination. Symbols are the same as in Fig. 11, top panel.

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.