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机译:Astrometric planet search around southern ultracool dwarfs III. Discovery of a brown dwarf in a 3-year orbit around DE0630-18
European Space Agcy, European Space Astron Ctr, Madrid 28691, Spain;
Natl Acad Sci Ukraine, Main Astron Observ, UA-03680 Kiev, Ukraine;
Univ Geneva, Observ Geneva, CH-1290 Versoix, SwitzerlandCSIC, INTA, Ctr Astrobiol, Madrid 28850, Spain;
stars: low-mass; brown dwarfs; planetary systems; binaries: close; astrometry; techniques: spectroscopic;