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Fundamental properties of the pre-main sequence eclipsing stars of MML 53 and the mass of the tertiary
We present the most comprehensive analysis to date of the Upper Centaurus Lupus eclipsing binary MML 53 (with P EB = 2.097892 d), and for the first time, confirm the bound-nature of the third star (in a P 3 ∼ 9 yr orbit) by constraining its mass dynamically. Our analysis …