ABSTRACT An attempt has been made to spatially resolve the metal‐poor, double‐lined spectroscopic binary HD 20039 with the Hubble Space Telescope Fine Guidance System. Astrometric measurements ... of ...
Gaia-4b is also the first planet detected by the European Space Agency's Gaia spacecraft using the astrometric technique ... Marcussen To weed out these binary stars and harvest the true planets ...
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