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Fig. 1
Left panel: spectroscopic orbit with data from Leone & Catanzaro (1999), Grenier et al. (1999), Korhonen et al. (2013) (all as filled disks), BESO (open triangles), and Campbell & Moore (1928) as filled diabolos. Right panel: new astrometric orbit based on the original Hipparcos observations.
This figure is made of several images, please see below:
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