Fig. 2
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Relation between semi-major axis a and mass ratio q for the companions of the intermediate-age cluster stars discovered through Gaia PMa, RUWE, or variations in RVs that are not visual binaries or do not have an orbit determination. Orange filled squares are companions selected on the basis of the value of RUWE > 1.4; blue filled circles are those selected from SNR(PMa)>3.
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