Jan Deca^1,2, Andrey Divin^3,4, Charles Lue⁵, *Xu Wang^1,2, Mihály Horányi^1,2 (1.Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, USA, 2.Institute for Modeling Plasma, Atmospheres and Cosmic Dust, NASA/SSERVI, USA, 3.St. Petersburg State University, St. Petersburg, Russia, 4.Swedish Institute of Space Physics, Uppsala, Sweden, 5.Department of Physics and Astronomy, University of Iowa, Iowa City, Iowa, USA)