Free Access
Fig. 1
Total correction factor (including bad pixels and dead columns, PSF extraction fraction, and vignetting) for the Swift count rate of Sgr A* vs. off-axis angle for all Swift observations of the Galactic center from 2006 to 2015.
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.