| Institution: | 1. Department of Astronomy, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USA;2. Center for Space Physics, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USA;3. Institut für Raumfahrttechnik und Weltraumnutzung, Universität der Bundeswehr München, Neubiberg, Germany;4. Rheinisches Institut für Umweltforschung, Abteilung Planetenforschung, an der Universität zu Köln, Cologne, Germany;1. University of Maryland, Department of Astronomy and Joint Space-Science Institute, College Park, MD 20742-2421, United States;2. University of Michigan, Department of Astronomy, 500 Church Street, Ann Arbor, MI 48109-1042, United States |
