Swift/XRT spectra in 2011–2012 (red) and in 2018 (black), with their best-fit absorbed pexmon model shown as orange and dark gray lines, respectively (top panel) and the data-model ratios (bottom panel). They are corrected for the effective area of the instrument and are given in units of EFE (FE is the energy flux at the energy E).
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.