Effects of the IMF direction on atmospheric escape from a Mars-like planet under a weak intrinsic magnetic field condition

Shotaro Sakai1, Kanako Seki1, Naoki Terada2, Hiroyuki Shinagawa3, Ryoya Sakata1, Takashi Tanaka4 and Yusuke Ebihara5, (1)The University of Tokyo, Tokyo, Japan, (2)Tohoku University, Sendai, Japan, (3)NICT, Tokyo, Japan, (4)Kyushu University, Faculty of Science, Fukuoka, Japan, (5)Kyoto University, Research Institute for Sustainable Humanosphere, Kyoto, Japan