Free Access
Fig. A.2
Spherical star illuminated by an isotropic point-like X-ray source. R is the radius of the star, a is the distance between star center and X-ray source, and r is the distance between X-ray source and surface of the star. The observer is located to the right-hand side of the figure.
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.