1. National Institute for Astrophysics (INAF), Institute for Space Astrophysics and Planetology (IAPS), Via del Fosso del Cavaliere 100, 00133 Rome, Italy
2. Serco S.p.A, Via Sciadonna 24, 00044, Frascati, Italy
3. LESIA, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, Univ. Paris Diderot, Sorbonne Paris Cité, 5 place Jules Janssen, 92195 Meudon, France