Escaping Helium and a Highly Muted Spectrum Suggest a Metal-enriched Atmosphere on Sub-Neptune GJ 3090 b from JWST Transit Spectroscopy

Published in ApJL, 2025

Recommended citation: Ahrer, E. et al. (2025a), ApJL, 985, L10 http://evamariaa.github.io/files/ahrer-jwst-gj3090b.pdf