JpGU-AGU Joint Meeting 2026

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[E] Oral

P (Space and Planetary Sciences ) » P-AE Astronomy & Extrasolar Bodies

[P-AE22] Exoplanets

Thu. May 28, 2026 10:45 AM - 12:15 PM 301B (International Conference Hall, Makuhari Messe)

Chairperson:Mori Mayuko(Astrobiology Center), Kawashima Yui(Kyoto University)

11:30 AM - 11:45 AM

[PAE22-10] Helium Enrichment vs. Depletion in Gas Dwarfs around the Radius Valley

*Hiroyuki Kurokawa1 (1. The University of Tokyo)

Keywords:Sub-Neptunes, Gas dwarfs, Radius valley, Atmospheric escape, Interior–atmosphere exchange