Imperial College London, Space and Atmospheric Physics Group, The Blackett Laboratory, Imperial College London, Prince Consort Road, London, SW7 2BW, United Kingdom
University College London, Atmospheric Physics Laboratory, Department of Physics and Astrononmy, University College London, Gower Street, London, WC1E 6BT, United Kingdom
IAFE, Institute for Astronomy and Space Physics, PO Box 67 - Suc. 28, Buenos Aires, C1428ZAA, Argentina; Imperial College London, Space and Atmospheric Physics Group, The Blackett Laboratory, Imperial College London, Prince Consort Road, London, SW7 2BW, United Kingdom
Imperial College London, Space and Atmospheric Physics Group, The Blackett Laboratory, Imperial College London, Prince Consort Road, London, SW7 2BW, United Kingdom
University College London, Centre for Planetary Sciences, University College London, London, WC1E 6BT, United Kingdom; Mullard Space Science Laboratory, Mullard Space Science Laboratory, Department of Space and Climate Physics, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, United Kingdom
University College London, Centre for Planetary Sciences, University College London, London, WC1E 6BT, United Kingdom; Mullard Space Science Laboratory, Mullard Space Science Laboratory, Department of Space and Climate Physics, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, United Kingdom
Los Alamos National Laboratory, Space Science and Applications, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
NASA GSFC, Heliophysics Science Division, NASA GSFC, Greenbelt, MD 20771, USA
University College London, Centre for Planetary Sciences, University College London, London, WC1E 6BT, United Kingdom; Mullard Space Science Laboratory, Mullard Space Science Laboratory, Department of Space and Climate Physics, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, United Kingdom