Collisional line profiles of sodium perturbed by H₂ from the optical to the infrared spectral range

¹ GEPI, Observatoire de Paris, 61 avenue de l’Observatoire, 75014 Paris, France
² Institut d’Astrophysique de Paris, UMR 7095, CNRS, Université Paris VI, 75014 Paris, France
³ Department of Physics and Astronomy, University of Louisville, Louisville, KY 40292, USA
⁴ Laboratoire de Physique Quantique, UMR 5626, CNRS, Université Paul Sabatier, 118 route de Narbonne, 31400 Toulouse, France
⁵ Department of Physics and Astronomy, University College London, Gower Street, WC1E6 BT London, UK

Abstract

Our aim is to present new unified line profiles of sodium perturbed by H₂ from the optical to the infrared spectral range. We compare the specific results obtained for the 3s-3p transition to laboratory spectra.