Astrometric Binaries in the Age of the Next Generation of Large (Space) Telescopes
Rob P. Olling
Abstract
I analyze several catalogs of known visual and spectroscopic binaries and conclude that a large number of binaries is missing in current catalogs. Samples of the best studied (nearby and bright) stars indicate that the true binary fraction may be as high as 95%. A preliminary analysis indicates that these binaries can a ect the astrometry signicantly.
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