Free Access
Fig. A.1

HCO+ (3–2), H13CO+ (3–2), and NH3 (1,1) line profiles observed toward the PBRs to search for infall signatures. The Gaussian fits are also shown in case of the H13 CO+ (3–2) and NH3 (1,1) lines.
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.