Photoevaporation of Molecular Clouds in Regions of Massive Star Formation as Revealed through H2 and Brγ Emission

  title={Photoevaporation of Molecular Clouds in Regions of Massive Star Formation as Revealed through H2 and Brγ Emission},
  author={S. Carlsten and P. Hartigan},
  journal={The Astrophysical Journal},
  • S. Carlsten, P. Hartigan
  • Published 2018
  • Physics
  • The Astrophysical Journal
  • We examine new and pre-existing wide-field, continuum-corrected, narrowband images in H$_2$ 1-0 S(1) and Br$\gamma$ of three regions of massive star formation: IC 1396, Cygnus OB2, and Carina. These regions contain a variety of globules, pillars, and sheets, so we can quantify how the spatial profiles of emission lines behave in photodissociation regions (PDRs) that differ in their radiation fields and geometries. We have measured 450 spatial profiles of H$_2$ and Br$\gamma$ along interfaces… CONTINUE READING


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