Institution: | 1. Institute of Space and Astronautical Science (ISAS), Japan Aerospace eXploration Agency (JAXA), Yoshinodai 3-1-1, Chuo-ku, Sagamihara, Kanagawa 252-5210, Japan;2. Department of Geophysics, Tohoku University, Aramaki-aza-Aoba 6-3, Aoba-ku, Sendai, Miyagi 980-8578, Japan |