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Fig. 1

image

Orbital location of the primary (light blue in the online version) and secondary (red) at the UVES (left) and X-Shooter (right) observation times. The start times of the two observation campaigns are indicated (HJD 2 451 917.5191833 and 2 456 665.5858551, respectively). The stars move counterclockwise. Dots mark the locations of the secondary at the start times of the individual observations.

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