*Lily Ishizaki¹, Shogo Tachibana¹, Tamami Okamoto², Daiki Yamamoto³, Shigeru Ida² (1.The University of Tokyo , 2.ELSI, Institute of Science Tokyo, 3.Kyushu University)

*Noriyuki Kawasaki¹, Kazuhide Nagashima², Naoya Sakamoto¹, Wataru Fujiya³, Sota Arakawa⁴, Yushi Miyamoto¹, Daiki Yamamoto⁵, Sara S. Russell⁶, Hisayoshi Yurimoto¹, The Hayabusa2-initial-analysis chemistry team, The Hayabusa2-initial-analysis core (1.Hokkaido University, 2.University of Hawai‘i at Mānoa, 3.Ibaraki University, 4.JAMSTEC, 5.Kyushu University, 6.Natural History Museum)

*Daiki Yamamoto¹, Noriyuki Kawasaki², Ryuji Okazaki¹ (1.Department of Earth and Planetary Sciences, Faculty of Sciences, Kyushu Univ. , 2.Department of Natural History Sciences, Hokkaido University, Japan)

*Daiki Yamamoto¹, Aki Takigawa², Lily Ishizaki², Ryosuke Sakurai^1,3, Yuki Inoue¹, Junji Yamamoto¹, Sota Arakawa⁴, Shogo Tachibana² (1.Department of Earth and Planetary Sciences, Faculty of Sciences, Kyushu Univ. , 2.Department of Earth and Planetary Science, The University of Tokyo, 3.Japan Aerospace Exploration Agency, 4.Japan Agency for Marine-Earth Science and Technology)