1. Aix Marseille Université, CNRS, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326, F-13388, Marseille, France
2. GEPI, Observatoire de Paris, PSL Research University, CNRS, Place Jules Janssen, F-92190 Meudon, France
3. European Southern Observatory, Karl-Schwarzschildstrasse 2, D-85748 Garching bei München, Germany
4. Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany
5. Centre for Astrophysics and Supercomputing, Swinburne University, Hawthorn, VIC 3122, Australia
6. Department of Physics and Astronomy, University of South Carolina, Columbia, SC 29208, USA
7. Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
8. Sterrewacht Leiden, Leiden University, PO Box 9513, NL-2300 RA Leiden, the Netherlands
9. Department of Astronomy and Astrophysics, The University of Chicago, Chicago, IL 60637, USA
10. Enrico Fermi Institute, The University of Chicago, Chicago, IL 60637, USA