*Tsuyoshi Iizuka¹, Takazo Shibuya², Hayakawa Takehito³, Tetsuya Yokoyama⁴, Ikshu Gautam⁴, Makiko K. Haba⁴, Ito Kengo¹, Yuki Hibiya¹, Akira Yamaguchi⁵, The Hayabusa2-initial-analysis chemistry team, The Hayabusa2-initial-analysis core (1.University of Tokyo, 2.JAMSTEC, 3.QST, 4.Institute of Science Tokyo, 5.NIPR)

*Soichiro Furukawa^1,2, Tatsuaki Okada^1,2, Rei Kanemaru², Z.-L. Li¹, Tomoko Ojima², Naoya Imae³, Satoshi Tanaka², Naoya Sakatani², Yuri Shimaki², Hiroki Senshu⁴, Tomohiko Sekiguchi⁵, Takehiko Arai⁶, Hirohide Demura⁷, Toru Kouyama⁸, Takuya Ishizaki², Masanori Kanamaru¹, Akira Yamaguchi³ (1.The University of Tokyo, 2.ISAS/JAXA, 3.National Institute of Polar Research (NIPR), 4.Chiba Institute of Technology, 5.Hokkaido University of Education, 6.Maebashi Institute of Technology, 7.University of Aizu, 8.National Institute of Advanced Industrial Science and Technology)

*Kobayashi Masanori¹, Takayuki Hirai¹, Tomoko Arai¹, Hiroshi Kimura¹, Hikaru Yabuta², Motoo Ito³, Akira Yamaguchi⁴, Sho Sasaki⁵, hajime yano⁶, Mario Trieloff⁷, Thomas Ludwig⁷, Winfried Schwarz⁷, Jens Hopp⁷, Jon Hillier⁸, Nozair Khawaja⁸, Frank Postberg⁸, Harald Krueger⁹, Ralf Srama¹⁰, Jonas Simolka¹⁰, Carsten Henselowsky¹¹ (1.Chiba Institute of Technology, 2.Hiroshima University, 3.Japan Agency for Marine-Earth Science and Technology, 4.National Institute of Polar Research, 5.Osaka University, 6.Japan Aerospace Exploration Agency, 7.Heidelberg University, 8.Free University of Berlin, 9.Max Planck Institute for Solar System Research, 10.University of Stuttgart, 11.German Aerospace Center (DLR))

*Atsushi Takenouchi¹, Yohei Igami¹, Akira Miyake¹, Takashi Mikouchi², Akira Yamaguchi³ (1.Kyoto University, 2.The Univ. of Tokyo, 3.NIPR)

*Yuki Kitamura¹, Takaaki Noguchi¹, Aki Takigawa², Taro Moriwaki³, Akira Yamaguchi⁴ (1. Department of Geology and Mineralogy, Kyoto University, 2.Department of Earth and Planetary Science, The University of Tokyo, 3.Japan Synchrotron Radiation Research Institute, 4.National Institute of Polar Research)