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Publication Detail
H₂ formation on interstellar dust grains: The viewpoints of theory, experiments, models and observations
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Wakelam V, Bron E, Cazaux S, Dulieu F, Gry C, Guillard P, Habart E, Hornakaer L, Morisset S, Nyman G, Pirronello V, Price SD, Valdivia V, Vidali G, Watanabe N
  • Publisher:
    Elsevier
  • Publication date:
    01/12/2017
  • Pagination:
    1, 36
  • Journal:
    Molecular Astrophysics
  • Volume:
    9
  • Status:
    Published
  • Print ISSN:
    2405-6758
  • Language:
    English
  • Keywords:
    Astrochemistry, Molecular hydrogen, Grain surface chemistry, Interstellar medium
Abstract
Molecular hydrogen is the most abundant molecule in the universe. It is the first one to form and survive photo-dissociation in tenuous environments. Its formation involves catalytic reactions on the surface of interstellar grains. The micro-physics of the formation process has been investigated intensively in the last 20 years, in parallel of new astrophysical observational and modeling progresses. In the perspectives of the probable revolution brought by the future satellite JWST, this article has been written to present what we think we know about the H₂ formation in a variety of interstellar environments.
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