Indications for very high metallicity and absence of methane for the eccentric exo-Saturn WASP-117b

Ludmila Carone, Paul Mollière, Yifan Zhou +12

We investigate the atmospheric composition of the long period ($P_{\mathrm{orb}}=$ 10 days), eccentric exo-Saturn WASP-117b. WASP-117b could be in atmospheric temperature and chemistry…