1. University of Southern Queensland, Centre for Astrophysics, Toowoomba 4350, Australia
2. LESIA, Paris Observatory, PSL University, CNRS, Sorbonne University, Université de Paris, 5 place Jules Janssen, 92195 Meudon, France
3. IRAP, Université Toulouse, CNRS, CNES, UPS, F-31400 Toulouse, France
4. Department of Physics, California Lutheran University, 60 West Olsen Road # 3700, Thousand Oaks, CA 91360, USA
5. Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D, 3001 Leuven, Belgium