Free Access
Fig. 2.

Integrated mean (black) and rms (red) spectra for our variability campaign of HE 1136-2304. The rms spectrum has been scaled by a factor of 6.9 to enhance weak line structures.
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.