1. LESIA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, Univ. Paris Diderot, Sorbonne Paris Cité, 5 place Jules Janssen, F-92195 Meudon, France
2. Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
3. Department of Astrophysics, IMAPP, Radboud University Nijmegen, NL-6500 GL Nijmegen, the Netherlands
4. Department of Physics, California Lutheran University, 60 West Olsen Road 3700, Thousand Oaks, CA 91360, USA