Institution: | 1.National Astronomical Observatories, Chinese Academy of Sciences, Key Laboratory for Solar Activity, 100012, Beijing, China ;2.IZMIRAN, Russian Academy of Sciences, 108840, Moscow, Troitsk, Russia ;3.Department of Mechanical Engineering, Ben-Gurion University of Negev POB 653, 84105, Beer-Sheva, Israel ;4.Nordita, KTH Royal Institute of Technology and Stockholm University, Stockholm, Sweden ;5.Department of Physics, Moscow University, 119992, Moscow, Russia ;6.Moscow Center of Fundamental and Applied Mathematics, 119991, Moscow, Russia ; |