Fig. 11
Column densities of CH, CH+, SH+, OH, H2O, HCO+, and CO predicted with the TDR model for a cloud of total column density NH = 1.8 × 1021 cm-2 as functions of the H2 ionisation rate ζH2. All the other parameters of the code are set to their standard values (see main text).
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.