Fig. 10

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Constraints derived on the presence of a substellar companion in the systems GJ 229 (left) and GJ 832 (right), by using the tool GaiaPMEX based on the proper motion anomaly and excess noise from Gaia and HIPPARCOS. The known massive companions are represented with the yellow diamond for GJ 229 B and the orange circle for GJ 832 b, consistent with the GaiaPMEX constraints.
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