Open Access
Fig. 13

Download original image
Clusters of solutions for the case of M87 on the April 11, 2017 EHT campaign. The starting points are a ring (left panel) and Gaussian (right panel) and play an important role in constraining the solutions in absence of a self-calibration model.
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.