Free Access

Fig. A.3.

image

Degree of polarised flux observed through the BHa filter, and associated rms noise map on the right. It is clearly visible that the field of view becomes dominated by noise beyond the features described in Fig. 1.

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.