Institution: | Department of Physics, Faculty of Science, Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan;National Space Agency of Japan, Tsukuba, Ibaragi, Japan;Institute of Space and Astronautical Science, Sagamihara, Kanagawa, Japan;Department of Physics, Faculty of Science, University of Tokyo, Tokyo, Japan;Department of Earth and Space Science, Toyonaka, Osaka, Japan |