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Fig. 12

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Comparison of the dynamical masses and the H-band magnitudes of the companions to theoretical mass-luminosity relations. We adopted the mass-luminosity relations from PARSEC models for low-mass stars (Bressan et al. 2012; Chen et al. 2014) at low (Z = 0.05, dotted orange line), intermediate (Z = 0.15, solid red line), and high (Z = 0.35, dashed orange line) metallicities. Most of our companions (blue dots with error bars and labels) agree reasonably well with the theoretical mass-luminosity relations, except for HIP 22059 B, as explained in Sect. 6.

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