[1] Univ Illes Balears, Dept Fis, Palma De Mallorca 07122, Spain
[2] Univ Illes Balears, IAC3, Palma De Mallorca 07122, Spain
[3] Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys MSU SINP, Moscow 119992, Russia
[4] Inst Astrofis Canarias, C Via Lactea S-N, Tenerife 38205, Spain
[5] Dublin City Univ, Sch Math Sci, Ctr Astrophys & Relat, Dublin 9, Ireland
[6] NASA, Goddard Space Flight Ctr, Mail Code 674-0, Greenbelt, MD 20771 USA
[7] Goddard Space Flight Ctr, Heliophys Sci Div, Solar Phys Lab, Mail Code 671, Greenbelt, MD 20771 USA
[8] Austrian Acad Sci, Space Res Inst, Schmiedlstr 6, A-8042 Graz, Austria
[9] SB RAS, Inst Laser Phys, Novosibirsk, Russia
[10] UNAM, IRyA, Campus Morelia,Apdp Postal 3-72, Morelia 58089, Michoacan, Mexico
[11] Ilia State Univ, Abastumani Astrophys Observ, Tbilisi, Georgia