Free Access
Fig. 4
Upper (middle) panel: Epic-pn 1–3 keV (3–10 keV) folded light curves. Lower panel: Epic-pn hardness ratio for the two energy-selected light curves shown above. The data were folded adopting the recent X-ray ephemeris obtained by Iaria et al. (2011) and using 256 channels per period.
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.