Free Access

Fig. 3.

image

Extrapolation to the very high energies of the spectrum of the EHBL object 1RXS J021417.8+514457 at z = 0.049, assuming an intrinsic power-law spectrum (dotted line) with cutoff energies and absorption corrections as in Fig. 2.

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.