Free Access
Fig. 3
Distribution of the surface brightness limit in our sample with a Gaussian fit, using the 232 images in the sample with Nstar > 50 stars after the σ clipping as described in Sect. 2.3. We obtained an average value of 28.11, with a standard deviation of 0.26.
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.