Light curve of each source over five observations. The weighted (0.2 − 4.5 keV) flux of each source in different observations is plotted over time. If the source was not detected in an observation, the upper limit was calculated.
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.