Free Access

Fig. 1


Optical outburst on December 5, 1981 (811205-E) (Giovannelli et al. 1985) is marked with a red line. It occurred eight days before the short and sharp X-ray outburst on December 13, 1981 (811213-E) (Nagase et al. 1982) marked with a blue line.

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.