tokens: Based on observations made with ESO Telescopes at the La Silla Paranal Observatory under programme IDs 60.A-9328 and 091.D-0823. We thank the referee for constructive and pertinent suggestions that helped to improve this paper. N.W., M.C., O.G., D.B., A.G., A.D., and M.M. acknowledge the Centre National d’Etudes Spatiales (CNES) for their support.
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