Open Access

Fig. 4

image

Simulated noise maps, compared with theoretical prediction. The pixel values are normalised by the average value of the covariance matrix: the units of the colour bar are thus dimensionless (Jy2Jy2). These are on the same angular scale as the source shown 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.