Fig. 2
Layout of the fields of view (solid squares) and the background extraction regions (dashed rectangles) for each ACIS-S3 full-frame data set (CS0–6) in different colors. The source extraction region (solid circle) is displaced from the image center, leaving the other side of the image for the background extraction region (5′̣5 × 1′̣9).
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.