Free Access
Fig. 6.

Spectral data of six unobscured sources exhibiting broad Fe K features. The data are divided by the best-fit power-law. The source identification number is indicated. The upper four sources come from the lowz group while the lower two from the highz group (see Fig. 8).
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.