Free Access
Fig. 1
Sample normalized spectrum of PG 1104+243 (black), showing the 5875 Å He I line of the sdB component, and several lines as e.g. the Na doublet at 5890−5896 Å of the MS component. Furthermore, a synthetic spectrum of the MS component (green) and sdB component (red) are shown.
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.