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Fig. 2

H.E.S.S. light curve from November 2009 to January 2010 in nightly bins with a constant fitted to the December data (dashed line) and to the whole dataset (dash-dotted line).
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.