OS16-2

[OS16-2-01] [Invited]Measurement of Microscopic Thermal Diffusivity Distribution for Ryugu Sample by IR Lock-in Periodic Heating Method

*Takuya Ishizaki¹, Hosei Nagano², Satoshi Tanaka³, Naoya Sakatani⁴, Tomoki Nakamura⁵, Ryohei Fujita⁶, Abdulkareem Alasli⁷, Tomoyo Morita⁸, Mizuha Kikuiri⁹, Kana Amano¹⁰, Eiichi Kagawa¹¹, Hisayoshi Yurimoto¹², Takaaki Noguchi¹³, Ryuji Okazaki¹⁴, Hikaru Yabuta¹⁵, Hiroshi Naraoka¹⁶, Kanako Sakamoto¹⁷, Shogo Tachibana¹⁸, Sei-ichiro Watanabe ¹⁹, Yuichi Tsuda²⁰ (1. ISAS/JAXA, 2. Nagoya University, 3. ISAS/JAXA, 4. ISAS/JAXA, 5. Tohoku University, 6. Nagoya University, 7. Nagoya University, 8. Tohoku University, 9. Tohoku University, 10. Tohoku University, 11. Tohoku University, 12. Hokkaido University, 13. Kyoto University, 14. Kyushu University, 15. Hiroshima University, 16. Kyushu University, 17. ISAS/JAXA, 18. The University of Tokyo and ISAS/JAXA, 19. Nagoya University, 20. ISAS/JAXA)

Keywords:Ryugu, Asteroid, Thermal diffusivity, Measurement, Microscale, Non-contact