1. Department of Physics, Montana State University , P.O. Box 173840, Bozeman, MT 59717-3840, USA
2. Leibniz-Institut für Astrophysik Potsdam (AIP) , An der Sternwarte 16, D-14482 Potsdam, Germany
3. Instytut Astronomiczny, Uniwersytet Wrocławski , Kopernika 11, PL-51-622 Wrocław, Poland
4. LESIA, Paris Observatory, PSL University, CNRS, Sorbonne Université, Université de Paris , 5 place Jules Janssen, F-92195 Meudon, France
5. European Southern Observatory , Alonso de Cordova 3107, Vitacura, Santiago, Chile
6. Space Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USA