Free Access

Fig. 4


Multi-instrument fractional variability (Fvar) for the three periods defined in Fig. 2. The fractional variability was computed using only those observations simultaneous to the VHE γ-ray measurements from MAGIC. Vertical bars denote 1σ uncertainties and horizontal bars indicate the covered time span of each instrument.

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.