Occurrence pattern and direction of motion of multiple X-lines at the dayside magnetopause
Yasuto Hoshi, University of Tokyo, Bunkyo-ku, Japan, Hiroshi Hasegawa, Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science, Sagamihara, Japan, Naritoshi Kitamura, ISAS Institute of Space and Astronautical Science, JAXA Japan Aerospace Exploration Agency, Kanagawa, Japan and Yoshifumi Saito, ISAS Institute of Space and Astronautical Science, Kanagawa, Japan