Reversed far-infrared line emission from OH in Orion

Details Reversed far-infrared line emission from OH in Orion Reversed far-infrared line emission from OH in Orion

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...346l.101b&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 346, Nov. 15, 1989, p. L101-L104.

Other

19

Hydroxyl Emission, Infrared Spectra, Orion Nebula, Rotational Spectra, Absorption Spectra, Emission Spectra, Molecular Rotation, Red Shift, Spectral Line Width

Scientific paper

The fundamental OH rotational transition at 2514 GHz has been observed in the Orion IRc2 region at a spectral resolution of 0.6 km/s. The emission is spatially compact and centered near IRc2. A comparison of the observed profile with spectra of other species known to exist in the region suggests that the entire blueshifted side of the OH profile has been self-absorbed, leaving only a redshifted emission component.

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