Signatures of CH${}_4$ and NH${}_3$ in the atmosphere of $\beta$ Pictoris b

A. Barone, M. Janson, A. Brandeker +21

$\beta$ Pictoris is a nearby (19.7 pc), young ($\sim$ 24 Myr), bright ($V=3.85$) planetary system hosting three directly imaged planets. Previous high-resolution spectroscopy of $\beta$…