Institution: | (1) Geneva Observatory, 1290 Sauverny, Switzerland;(2) Paul Scherrer Institute, 5232 Villigen-PSI, Switzerland;(3) Russian Academy of Sciences, Space Research Institute (IKI), Moscow, CIS;(4) Institut d'Astrophysique Spatiale, France;(5) Space Science Laboratory (SSL), Berkeley, USA;(6) University of Calgary, Canada;(7) Institute of Applied Physics, Nizhny Novgorod, CIS |