Lithium depletion in the brown dwarf binary GJ 569Bab
GJ 569Bab is the first brown dwarf binary for which the mass of each component has been derived by solving the astrometric and spectroscopic orbit of the pair, i.e., independently of any theoretical assumption. This allows us to test the predictions of the various evolutionary models available in the literature. Particularly interesting are the
Zapatero Osorio, M. R. et al.
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2005