Open Access

Fig. 7.


Blue histogram is the rest equivalent width distribution of the Na I lines detected in our sample; grey-hashed histogram is the equivalent width distribution of Na I lines detected in the SDSS by Sardane et al. (2015). The two cumulative distributions are shown in the insert.

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.