Free Access

Fig. 3.

image

Six example spectra from high to low S/N (from top left to bottom right panels) together with their PPXF fits (red lines in upper panels) and residuals (lower panels). Apart from the S/N value, the name of the spectrum, the derived radial velocity and velocity dispersion as well as the reduced χ 2 value of the fit are given as legend in each panel.

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.