Mass ratios of 248 long-period binary stars
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https://b2find.eudat.eu/dataset/0b3cef96-703b-52f3-a779-1ae4b31a91e2
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Using the absolute astrometric positions and proper motions for common stars in the Hipparcos and Gaia catalogs separated by 24.75yr in the mean epoch, we compute mass ratios...
