DESI-HRMS Molecular Imaging of a Bennu Grain: Evidence for Fluid-Driven Organic Redistribution

Minako Hashiguchi

Presentation information

[E] Oral

M (Multidisciplinary and Interdisciplinary) » M-IS Intersection

[M-IS09] Astrobiology

Fri. May 29, 2026 10:45 AM - 12:15 PM 301B (International Conference Hall, Makuhari Messe)

Chairperson:Kurosawa Kosuke(Graduate school of Human Development and Environment, Kobe University), Fujishima Kosuke(Institute of Science Tokyo, Earth-Life Science Institute)

11:05 AM - 11:20 AM

[MIS09-07] DESI-HRMS Molecular Imaging of a Bennu Grain: Evidence for Fluid-Driven Organic Redistribution

*Minako Hashiguchi¹, Hiroshi Naraoka², Yoshinori Takano³, Yoshihiro Furukawa⁴, Megumi Matsumoto⁴, Daniel P. Glavin⁵, Jason P. Dworkin⁵, Harold C. Connolly Jr.^6,7,8, Dante S. Lauretta⁸ (1. Nagoya University, 2. Kyushu University, 3. JAMSTEC, 4. Tohoku University, 5. NASA/GSFC, 6. Rowan University, 7. American Museum of Natural History, 8. University of Arizona)

Keywords:Asteroid Bennu, soluble organic matter, molecular imaging