Free Access
Fig. 2

Individual reference page for the main line observations of Dickinson & Turner (1991). Statistics, an external link to the SAO/NASA Astrophysics Data System (ADS), references for additional data, and modifications to the original data in the paper are given.
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.