H2 formation on interstellar dust grains

The viewpoints of theory, experiments, models and observations

Valentine Wakelam, Emeric Bron, Stephanie Cazaux, Francois Dulieu, Cécile Gry, Pierre Guillard, Emilie Habart, Liv Hornekær, Sabine Morisset, Gunnar Nyman, Valerio Pirronello, Stephen D. Price, Valeska Valdivia, Gianfranco Vidali, Naoki Watanabe

Research output: Contribution to journalReview article

22 Citations (Scopus)

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.

Original languageEnglish (US)
Pages (from-to)1-36
Number of pages36
JournalMolecular Astrophysics
Volume9
DOIs
StatePublished - Dec 1 2017

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Photodissociation
Dust
Hydrogen
Physics
dust
Satellites
Molecules
James Webb Space Telescope
physics
experiment
Experiments
hydrogen
photodissociation
astrophysics
universe
modeling
molecules

Keywords

  • Astrochemistry
  • Grain surface chemistry
  • Interstellar medium
  • Molecular hydrogen

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Spectroscopy
  • Physical and Theoretical Chemistry
  • Space and Planetary Science

Cite this

H2 formation on interstellar dust grains : The viewpoints of theory, experiments, models and observations. / Wakelam, Valentine; Bron, Emeric; Cazaux, Stephanie; Dulieu, Francois; Gry, Cécile; Guillard, Pierre; Habart, Emilie; Hornekær, Liv; Morisset, Sabine; Nyman, Gunnar; Pirronello, Valerio; Price, Stephen D.; Valdivia, Valeska; Vidali, Gianfranco; Watanabe, Naoki.

In: Molecular Astrophysics, Vol. 9, 01.12.2017, p. 1-36.

Research output: Contribution to journalReview article

Wakelam, V, Bron, E, Cazaux, S, Dulieu, F, Gry, C, Guillard, P, Habart, E, Hornekær, L, Morisset, S, Nyman, G, Pirronello, V, Price, SD, Valdivia, V, Vidali, G & Watanabe, N 2017, 'H2 formation on interstellar dust grains: The viewpoints of theory, experiments, models and observations', Molecular Astrophysics, vol. 9, pp. 1-36. https://doi.org/10.1016/j.molap.2017.11.001
Wakelam, Valentine ; Bron, Emeric ; Cazaux, Stephanie ; Dulieu, Francois ; Gry, Cécile ; Guillard, Pierre ; Habart, Emilie ; Hornekær, Liv ; Morisset, Sabine ; Nyman, Gunnar ; Pirronello, Valerio ; Price, Stephen D. ; Valdivia, Valeska ; Vidali, Gianfranco ; Watanabe, Naoki. / H2 formation on interstellar dust grains : The viewpoints of theory, experiments, models and observations. In: Molecular Astrophysics. 2017 ; Vol. 9. pp. 1-36.
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