Fig. 2
Top panel: photon noise in ppm as a function of time of the photometric VIRGO/SPM observations (color-coded BLUE, GREEN, and RED channels, and composite in dotted purple). Bottom panel: same as the top panel but for the radial velocity GOLF observations in m s-1. The vertical dashed lines indicate the GOLF red-wing period from mid-1998 to the end of 2002.
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.