Machine learning trained on Gaia DR2 parallaxes yields unbiased Tycho-2 to Johnson-Cousins magnitude transformations with accurate predicted uncertainties for 2.5 million stars.
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Conversion of Tycho-2 to Johnson-Cousins Magnitudes in the Gaia Era
Machine learning trained on Gaia DR2 parallaxes yields unbiased Tycho-2 to Johnson-Cousins magnitude transformations with accurate predicted uncertainties for 2.5 million stars.