Free Access

Fig. 8

image

Composition of the atmospheric gas in chemical equilibrium with respect to the most abundant molecules, atoms, and ions (number density nx [cm−3 ]) from the night- (top) to the dayside (bottom) on WASP-18b. The day- and nightside have very different chemical atmosphere gas compositions. The dayside is dominated by atomic H, the nightside by H2. The next most abundant gas species are CO, H, or H2, depending on (θ, ϕ). C/O is over plotted to visualise where clouds form. C/O remains at its initial (solar) value on the dayside where no clouds are forming, but increases on the nightside. A complete account of all species per element is provided in Appendix A.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.