[1] Dept Phys, Clarendon Lab, Parks Rd, Oxford OX1 3PU, England
[2] Open Univ, Sch Phys Sci, Milton Keynes MK7 6AA, Bucks, England
[3] OHB Syst AG, Univ Allee 27-29, D-28359 Bremen, Germany
[4] Cranfield Univ, Space Res Grp, Ctr Autonomous & Cyber Phys Syst, Cranfield MK43 0AL, Beds, England
[5] Rutherford Appleton Lab, STFC RAL Space, Harwell Campus, Didcot OX11 0QX, Oxon, England
[6] Bundeswehr Univ Munich, Inst Space Technol & Space Applicat ISTA, Neubiberg, Germany
[7] Univ Padua, Dept Phys & Astron, Via F Marzolo 8, I-35131 Padua, Italy
[8] CNR IFN UOS Padova LUXOR, Via Trasea 7, I-35131 Padua, Italy
[9] Royal Belgian Inst Space Aeron, Planetary Aeron, Ave Circulaire 3, B-1180 Brussels, Belgium
[10] Inst Astrofis Canarias, C Via Lactea S-N, E-38205 San Cristobal la Laguna, Tenerife, Spain
[11] Max Planck Inst Solar Syst Res, Justus von Liebig Weg 3, D-37077 Gottingen, Germany
[12] Univ Bern, Inst Phys, Bern, Switzerland
[13] Lab Astrophys Marseille, 38 Rue Frederic Joliot Curie, F-13388 Marseille, France
[14] CNR IFN Padova, Via Trasea 7, I-35131 Padua, Italy
[15] Mineral & Lapidary Museum Henderson Cty Inc, 400 N Main St, Hendersonville, NC 28792 USA
[16] Univ Cote Azur, Observ Cote Azur, CNRS, Lab Lagrange, Nice, France
[17] Tech Univ Denmark, Elektrovej,Bldg 327,Room 122, DK-2800 Lyngby, Denmark
[18] Res Ctr Astron & Earth Sci, Budapest, Hungary
[19] MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA USA
[20] Royal Observ, UK Astron Technol Ctr, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland
[21] Univ Copenhagen, Niels Bohr Inst, Oster Voldgade 5-7, DK-1350 Copenhagen, Denmark
[22] UTINAM Univ Bourgogne Franche Comte, CNRS, UMR 6213, F-25000 Besancon, France
[23] Johns Hopkins Appl Phys Lab, 11100 Johns Hopkins Rd, Laurel, MD 20723 USA
[24] Acad Sci Czech Republ, Inst Astron, Fricova 298, CS-25165 Ondrejov, Czech Republic
[25] Sorbonne Univ, Univ Paris Diderot, UPMC Univ Paris 06,Observ Paris, LESIA,CNRS,Sorbonne Paris Cite,PSL Res Univ, 5 Pl J Janssen, F-92195 Meudon, France
[26] Univ Helsinki, Dept Phys, POB 64, FIN-00014 Helsinki, Finland
[27] Univ Manchester, Sch Earth & Environm Sci, Manchester M13 9PL, Lancs, England
[28] Univ Toulouse, Inst Super Aeronaut & Espace ISAE SUPAERO, F-31055 Toulouse 4, France
[29] Cardiff Univ, Sch Phys & Astron, Queens Bldg,5 Parade, Cardiff CF24 3AA, S Glam, Wales
[30] Sapienza Univ Roma, Rome, Italy