GCM Constraints on the Detectability of the CO${}_2$-CH${}_4$ Biosignature Pair on TRAPPIST-1e with JWST

Yoav Rotman, Thaddeus D. Komacek, Geronimo L. Villanueva +2

Terrestrial exoplanets such as TRAPPIST-1e will be observed in a new capacity with JWST/NIRSpec, which is expected to be able to detect CO${}_2$, CH${}_4$, and O${}_2$ signals, if presen…