HIGHLIGHTS
- who: Kervella Pierre et al. from the , Meudon, France have published the article: Stellar and substellar companions from Gaia EDR3 - Proper-motion anomaly and resolved common proper-motion pairs, in the Journal: (JOURNAL)
- what: The study is aimed at detecting companions of Hipparcos catalog stars from the (PMa) they induce on their host star namely the difference between their long-term Hipparcos-Gaia and short-term Gaia vectors. After briefly defining the PMa and describing how it can be interpreted in terms of companion properties, the authors evaluate the sensitivity, completeness, and accuracy of the . . .
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