Fig. 9
Download original image
Optical behavior of ζ Tau. Top panels: evolution with time of EW and central depth of the Hα line from amateur spectra (BeSS database – black dots from Nazé et al. 2022c, circles from Nazé et al. 2024), as well as B, V magnitudes of ζ Tau as reported in the AAVSO database. Bottom panel: Hα line profiles at times closest to those of the X-ray observations.
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.