Eastward Propagating Auroral Vortices Observed in the Post-Midnight Sector
Yoshimasa Tanaka1, Yasunobu Ogawa1, Akira Kadokura1, Björn Gustavsson2, Noora Partamies3, Daniel K Whiter4, Urban Brandstrom5, Carl-Fredrik T Enell6, Hiroshi Miyaoka7 and Alexander Kozlovsky8, (1)NIPR National Institute of Polar Research, Tachikawa, Tokyo, Japan, (2)UiT The Arctic University of Norway, Department of Physics and Technology, Tromsø, Norway, (3)University Center in Svalbard, Svalbard, Norway, (4)Finnish Meteorological Institute, Helsinki, Finland, (5)IRF Swedish Institute of Space Physics Kiruna, Kiruna, Sweden, (6)EISCAT Scientific Association, Kiruna, Sweden, (7)NIPR National Institute of Polar Research, Tokyo, Japan, (8)Sodankylä Geophysical Observatory, Sodankylä, Finland
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