H i line profiles. The wavelength is corrected for the local standard of rest (LSR = 12.12 km s-1). The zero point is equal to the wavelength (λair) given from the NIST database. The figures show the transition of absorption features towards P Cygni line profiles.
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.