Free Access
Fig. 1

Photometric V observations of σ Gem over ≈13 years are phased with the orbital period after removing long-term trends. The double wave can be caused by either ellipticity or starspots that appear stably at preferred active longitudes.
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.