Fig. 9
Comparison between Hα circumstellar spectrum observed on March 12 and 14, corresponding to photometric maximum and minimum. The dashed vertical line indicates the central position of the Hα line. The appearance of a redshifted absorption during the brightness minimum of the star is evident.
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.