17:15 〜 18:30 [PEM06-P04] Direction of motion of reconnection X-lines and O-lines at the dayside magnetopause observed by the THEMIS spacecraft *星 康人1、長谷川 洋2、北村 成寿2、斎藤 義文2 (1.東大・理・地惑、2.JAXA・宇宙研)