Optical Line Emission from Photodissociation Regions

Details Optical Line Emission from Photodissociation Regions Optical Line Emission from Photodissociation Regions

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000apj...539..751s&link_type=abstract

The Astrophysical Journal, Volume 539, Issue 2, pp. 751-759.

Astronomy and Astrophysics

Astronomy

12

Stars: Circumstellar Matter, Galaxies: Ism, Ism: Clouds, Ism: Individual (Orion Nebula), Line: Formation, Stars: Formation

Scientific paper

We present a parameter study for the optical, low-ionization [O I] λ6300, λ6363, and λ5577 and the [S II] λ6731 and λ6716 lines emitted by photodissociation regions (PDRs). We assume in these models that the PDR has a plane-parallel, semi-infinite geometry and is illuminated from one side. The PDR models are characterized by the total hydrogen density 104 cm-3<=n<=107 cm-3 and the strength of the FUV field G0 in terms of the Habing field 103

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