Definition of the luminosity function for the M 87 stars and the TRGB. Top panel shows all stars in the outer radial range (115′′−155′′) of our ACS field, smoothed with a 0.01-mag Gaussian kernel. Middle and bottom panels show the numerically derived first and second derivatives of the LF.
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.