Free Access
Fig. 21.
Ca II K spectra of HD 145964 as indicated in the labels, which were obtained using HERMES. An offset of 0.04 was introduced in the Y-axis to better perceive the variations. The red and grey vertical lines correspond to the radial velocity of the star and the velocity vector of the G Colorado cloud, respectively.
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.