Institution: | (1) MPI für Sonnensystemforschung, 37191 Katlenburg-Lindau, Germany;(2) Southwest Research Institute, San Antonio, TX 78228-0510, USA;(3) Mullard Space Science Laboratory, University College London, Surrey, RH5 6NT, UK;(4) Centre d’Etude Spatiale des Rayonnements, BP-4346, F-31028 Toulouse, France;(5) Swedish Institute of Space Physics, Box 812, S-98 128 Kiruna, Sweden |