Yang Y. (1), Hammer F. (1), Li H. (2), Pawlowski M. S. (3), Wang J. L. (4), Babusiaux C. (5), Mamon G. A. (6), Bonifacio P. (1), Jiao Y. (1), Wang H. (7) ((1) Observatoire de Paris, Paris Sciences et Lettres, CNRS France, (2) School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, China, (3) Leibniz-Institut fuer Astrophysik Potsdam, Germany, (4) CAS Key Laboratory of Optical Astronomy, National Astronomical Observatories, Beijing 100101, China, (5) Université de Grenoble-Alpes, CNRS, IPAG, F-38000 Grenoble, France, (6) Institut d'Astrophysique de Paris, CNRS, France, (7) Centro Ricerche Enrico Fermi, Roma, Italy)
