Free Access
Fig. 1.

Download original image
Estimation of the noise via the annulus-wise procedure proposed by Mawet et al. (2014). The dotted white circles indicate the apertures whose flux is used for the noise computation, while the red circular region is centred on the pixel for which the noise needs to be estimated.
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.