Free Access

Table 2

Number of fields searched, and number of SSO candidates in all fields, for each filter.

Filter Number of fields Number of SSOs
u 267 879
g 297 8124
r 308 7362
i 270 3856

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.