KEYS TO DETECT SPACE WEATHERING ON VESTA : CHANGES OF VISIBLE AND NEAR-INFRARED REFLECTANCE SPECTRA OF HEDS AND CARBONACEOUS CHONDRITES

INFRARED REFLECTANCE SPECTRA OF HEDS AND CARBONACEOUS CHONDRITES. T. Hiroi, S. Sasaki, T. Misu, and T. Nakamura, Department of Geological Sciences, Brown University, Providence, RI 02912, USA (takahiro_hiroi@brown.edu), RISE Project, .National Astronomical Observatory of Japan, 2-12 Hoshigaoka-cho, Mizusawa-ku, Oshu, Iwate 023-0861, Japan, Department of Earth and Planetary Materials Science, Faculty of Science, Tohoku University, Aramaki, Aoba, Sendai, Miyagi 980-8578, Japan.