Free Access

Fig. 1

image

SDSS images of GLCS 1 (upper left corner) to GLCS 9 (lower right corner).The sequence proceeds through rows (GLCS 3 is in the upper right corner). The cross indicates the position on which the 3′′ fiber of the SDSS spectrograph has been centred.

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.