Open Access

Fig. 10


Flowchart representing surface brightness calculations using method 1 or method 2. In Method 1 the arrow anchored with “no” depicts that the calculation of SS with the previous process does not work, resulting in Fig. 8 (right). Next, we proceed with another process providing Fig. 8 (left) which is used further and therefore the arrow is anchored with a “yes”.

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.