Fig. A.2
Cross-correlation functions for three suspected binary stars. Top panel: the CCF of the observed spectrum is overplotted to the one observed by Grenier et al. (1999). Middle panel: the bisector of the CCF is displayed (dotted line) with a velocity scale enhanced by a factor 3, for the sake of clarity. Bottom panel: the two components in the composite CCF are labeled as “A” and “B”.
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