Free Access
Fig. 4

Same spectra shown in Fig. 3 but represented together here at the same scale around the (2,1) bandhead of near 4723 Å. Clearly this relatively bright bandhead is separated from the
emission lines in these high-resolution spectra.
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.