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Fig. 7
Bisector spans versus radial velocity measurements (top panel) and orbital phases (bottom panel) as derived from the HARPS data (blue downward and upward triangles for EGGS and HARPS modes, respectively). The horizontal dotted line marks the average negative value of the CCF bisector span, i.e. − 0.417 km s-1.
This figure is made of several images, please see below:
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