Affiliation: | Department of Space Studies, Southwest Research Institute, 1050 Walnut Street, Suite 400, Boulder, CO 80302, USA;Osservatorio Astronomico di Padova, Sede di Asiago, I-36032 Asiago (VI), Italy;Department of Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia;Department of Physics, Astronomy and Materials Science, Missouri State University, Springfield, MO 65804, USA |