JpGU-AGU Joint Meeting 2026

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[E] Oral

M (Multidisciplinary and Interdisciplinary) » M-IS Intersection

[M-IS09] Astrobiology

Fri. May 29, 2026 9:00 AM - 10:30 AM 301B (International Conference Hall, Makuhari Messe)

Chairperson:Takano Yoshinori(Japan Agency for Marine-Earth Science and Technology (JAMSTEC)), Mizuuchi Ryo(Department of Electrical Engineering and Bioscience, Faculty of Science and Engineering, Waseda University)

9:15 AM - 9:30 AM

[MIS09-02] O2-CH4 disequilibrium on Earth-like inhabited planets: effects of orbital distance and host star spectral type

*Takumi Hamasaki1, Hiroyuki Kurokawa1 (1. the University of Tokyo)

Keywords:Biosignatures, Planetary atmospheres, Biogeochemistry, Photochemistry, Exoplanets