Molecular hydrogen in star-forming regions: Implementation of its microphysics in cloudy

G. Shaw, G. J. Ferland, N. P. Abel, P. C. Stancil, P. A.M. Van Hoop

Research output: Contribution to journalArticlepeer-review

115 Scopus citations


Much of the baryonic matter in the universe is in the form of H 2, which includes most of the gas in Galactic and extragalactic interstellar clouds. Molecular hydrogen plays a significant role in establishing the thermal balance in many astrophysical environments and can be important as a spectral diagnostic of the gas. Modeling and interpretation of observations of such environments requires a quantitatively complete and accurate treatment of H2. Using this microphysical model of H2, we present illustrative calculations of prototypical astrophysical environments. This work forms the foundation for future investigations of these and other environments in which H2 is an important constituent.

Original languageEnglish
Pages (from-to)794-807
Number of pages14
JournalAstrophysical Journal
Issue number2 I
StatePublished - May 10 2005


  • ISM: molecules
  • Molecular processes

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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