@article{arcangeli:insu-03666276, TITLE = {{H- Opacity and Water Dissociation in the Dayside Atmosphere of the Very Hot Gas Giant WASP-18b}}, AUTHOR = {Arcangeli, Jacob and D{\'e}sert, Jean-Michel and Line, Michael R. and Bean, Jacob L. and Parmentier, Vivien and Stevenson, Kevin B. and Kreidberg, Laura and Fortney, Jonathan J. and Mansfield, Megan and Showman, Adam P.}, URL = {https://insu.hal.science/insu-03666276}, JOURNAL = {{The Astrophysical Journal Letters}}, VOLUME = {855}, YEAR = {2018}, DOI = {10.3847/2041-8213/aab272}, KEYWORDS = {planets and satellites: atmospheres ; planets and satellites: gaseous planets ; Astrophysics - Earth and Planetary Astrophysics}, HAL_ID = {insu-03666276}, HAL_VERSION = {v1}, }