Escaping helium and a highly muted spectrum suggest a metal-enriched atmosphere on sub-Neptune GJ 3090 b from JWST transit spectroscopy

Author(s):: Ahrer, E.-M.; Radica, M.; Piaulet-Ghorayeb, C.; Raul, E.; Wiser, L.; Welbanks, L.; Acuña, L.; Allart, R.; Coulombe, L.-P.; Louca, A.J.; MacDonald, R.; Saidel, M.; Evans-Soma, T.M.; Benneke, B.; Christie, D.; Beatty, T.G.; Cadieux, C.; Cloutier, R.; Doyon, R.; Fortney, J.J.; Gagnebin, A.; Gapp, C.; Innes, H.; Knutson, H.A.; Komacek, T.; Krissansen-Totton, J.; Miguel, Y. (0000-0002-0747-8862); Pierrehumbert, R.; Roy, P.-A.; Schlichting, H.E.