H3+ in irradiated protoplanetary disks: Linking far-ultraviolet radiation and water vapor

Javier R. Goicoechea, Octavio Roncero, Evelyne Roueff +3

The likely JWST detection of vibrationally excited H3+ emission in Orion's irradiated disk system d203-506 raises the important question of whether cosmic-ray ionization is enhance…