First joint absorption and T${}_e$-based metallicity measured in a GRB host galaxy at $z=4.28$ using JWST/NIRSpec

Anne Inkenhaag, Patricia Schady, Phil Wiseman +20

We present the first gamma-ray burst (GRB) host galaxy with a measured absorption line and electron temperature (T${}_e$) based metallicity, using the temperature sensitive [OIII]$\lambda$…