Interpretation of infrared spectra of asteroid Ryugu based on comparison to carbonaceous chondrites and other meteorites


Moe Matsuoka1, Tomoki Nakamura2, Takahiro Hiroi3, Kohei Kitazato4, Takahiro Iwata5, Masanao Abe6, Kana Amano2, Shiho Kobayashi2, Takahito Osawa7, Makiko Ohtake8, Shuji Matsuura9, Takehiko Arai10, Yusuke Nakauchi11, Hiroki Senshu12, Cedric Pilorget13, Rosario Brunetto13, Francois Poulet14, Lucie Riu11, Deborah L Domingue15, Faith Vilas15, Driss Takir16, Ernesto Palomba17, Ralph Milliken18, Davide Perna19, M. Antonietta Barucci20,21 and J.-P. Bibring22, (1)AIST - National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, (2)Tohoku University, Sendai, Japan, (3)Brown University, Providence, RI, United States, (4)The University of Aizu, Aizu-Wakamatsu, Japan, (5)Japan Aerospace Exploration Agency, Kanagawa, Japan, (6)Japan Aerospace Exploration Agency, Sagamihara, Japan, (7)Japan Atomic Energy Agency, Tokai-mura, Japan, (8)Planetary Science Department, Kanagawa, Japan, (9)Kwansei Gakuin University, Hyogo, Japan, (10)Ashikaga University, Ashikaga, Japan, (11)JAXA Japan Aerospace Exploration Agency, Sagamihara, Japan, (12)Chiba Institute of Technology, Narashino, Japan, (13)IAS Institut d'Astrophysique Spatiale, Orsay Cedex, France, (14)Institut d’Astrophysique Spatiale, CNRS/Paris-Sud University, Orsay Cedex, France, (15)Planetary Science Institute, Tucson, United States, (16)Jacobs Technology, NASA Johnson Space Center, Houston, United States, (17)IAPS-INAF, Rome, Italy, (18)Brown University, Providence, United States, (19)INAF- Osservatory of Rome, Roma, Italy, (20)Paris Observatory Meudon, Meudon, France, (21)LESIA Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, Université Paris-Diderot, Meudon, France, (22)Univ. de Paris Sud-Orsay, IAS, Orsay, France