Julia E Stawarz¹, Jonathan P Eastwood², Tai Phan³, Imogen Gingell⁴, Michael A Shay⁵, Prayash Sharma⁶, James L Burch⁷, Robert Ergun⁸, Barbara L Giles⁹, Daniel J Gershman¹⁰, Olivier Le Contel¹¹, Per-Arne Lindqvist¹², Christopher T Russell¹³, Robert J Strangeway¹⁴, Roy B Torbert¹⁵, Matthew R Argall¹⁶, David Fischer¹⁷, Werner Magnes¹⁷ and Luca Franci¹⁸, (1)Imperial College London, London, United Kingdom, (2)Imperial College London, Physics, London, United Kingdom, (3)University of California Berkeley, Berkeley, CA, United States, (4)Imperial College London, London, SW7, United Kingdom, (5)University of Delaware, Newark, DE, United States, (6)University of Delaware, Physics and Astronomy, Newark, DE, United States, (7)Southwest Research Institute San Antonio, San Antonio, TX, United States, (8)Univ Colorado, Boulder, CO, United States, (9)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (10)NASA Goddard Space Flight Center, Heliophysics Science Division, Greenbelt, MD, United States, (11)Laboratoire de Physique des Plasmas (UMR7648), CNRS/Ecole Polytechnique/UPMC/Univ. Paris Sud/Obs. de Paris, Paris, France, (12)KTH Royal Institute of Technology, Stockholm, Sweden, (13)University of California Los Angeles, Department of Earth Planetary and Space Sciences, Los Angeles, CA, United States, (14)UCLA IGPP/ESS, Los Angeles, CA, United States, (15)Univ New Hampshire, Durham, NH, United States, (16)University of New Hampshire, Durham, NH, United States, (17)Space Research Institute, Austrian Academy of Sciences, Graz, Austria, (18)Queen Mary, University of London, School of Physics and Astronomy, London, United Kingdom