Effects of the intrinsic magnetic field on the ion loss from ancient Mars based on multi-species MHD simulations

Ryoya Sakata1, Kanako Seki1, Shotaro Sakai2, Naoki Terada3, Hiroyuki Shinagawa4 and Takashi Tanaka5, (1)The University of Tokyo, Tokyo, Japan, (2)Hokkaido University, Sapporo, Japan, (3)Tohoku University, Sendai, Japan, (4)NICT, Tokyo, Japan, (5)Kyushu University, Faculty of Science, Fukuoka, Japan