The upper atmosphere of the exoplanet HD 209458 b revealed by the sodium D lines - Temperature-pressure profile, ionization layer, and thermosphereA. Vidal-Madjar, D. K. Sing, A. Lecavelier des Etangs, R. Ferlet, J.-M. Désert, G. Hébrard, I. Boisse, D. Ehrenreich and C. MoutouA&A, 527 (2011) A110DOI: https://doi.org/10.1051/0004-6361/201015698
