@article{Fossati2021, author = {Fossati, L. and Young, M. E. and Shulyak, D. and Koskinen, T. and Huang, C. and Cubillos, P. E. and France, K. and Sreejith, A. G.}, year = {2021}, pages = {A52}, title = {Non-local thermodynamic equilibrium effects determine the upper atmospheric temperature structure of the ultra-hot Jupiter KELT-9b}, volume = {653}, journal = {Astron. Astrophys.} }