Fig. 2
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Comparison between the Gaia and GH PMs. The top panels show the VPDs of the PMs, and the two bottom panels show the PM errors along α cos δ and δ as a function of Gaia G magnitude. The black dots refer to the Gaia PMs, and the blue and red dots show stars in our catalog with and without a corresponding PM in the Gaia catalog, respectively.
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