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Fig. 4

Orbital periods T and semi-major a axes of possible orbit solutions to either visits A–5 (squared symbols) or visits 13–22+24 (circular symbols). The system mass is colour-coded. The lines show the relationship T(a, M) given by Kepler’s third law for Mmin = 6.67 × 1012 kg (violet) and Mmax = 7.23 × 1012 kg (yellow).
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