Fig. 3.
Equivalent widths of luminosity-sensitive features in the spectrum of HD 137071 (filled circles) compared with those of three luminosity class III giants (open squares) and the luminosity class Ib supergiant HD 216946 (open triangles). Three open squares are plotted for each feature, corresponding from left to right to HD 173780 (K2III), HD 164058 (K5III), and HD 194193 (K7III).
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.