Open Access

Fig. 6.

image

Download original image

Spectra of HM Pup Na I D lines at several orbital phases (Φ) with R = 7000. Downward arrows mark the calculated position of the line centres for the primary star that are the sum of the systemic and orbital velocities. Lines of circumstellar gas are marked with blue arrows.

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.