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Paper: H2 formation and excitation in diffuse molecular gas
Volume: 348, Astrophysics in the Far Ultraviolet: Five Years of Discovery with FUSE
Page: 442
Authors: Gry, C.; Nehme, C.; Le Bourlot, J.; Boulanger, F.; Pineau des Forets, G.
Abstract: H2 formation rate and excitation are derived in diffuse molecular clouds from FUSE H2 column densities by using a model of chemical and thermal balance in photon-illuminated interstellar gas. The formation rate appears to be relatively constant and the H2 excitation evidences the existence of a warm component of collisionally excited gas within the molecular gas.
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