A temperature inversion with atomic iron in the ultra-hot dayside atmosphere of WASP-189b F. Yan, E. Pallé, A. Reiners, K. Molaverdikhani, N. Casasayas-Barris, L. Nortmann, G. Chen, P. Mollière and M. Stangret A&A, 640 (2020) L5 Published online: 29 July 2020 DOI: 10.1051/0004-6361/202038294