Statistics – Computation
Scientific paper
Oct 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...321..530m&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 321, Oct. 1, 1987, p. 530-542. Research supported by Rockwell International
Statistics
Computation
27
Far Infrared Radiation, Hydroxyl Emission, Molecular Excitation, Molecular Rotation, Orion Nebula, Spectrum Analysis, Astronomical Spectroscopy, Computational Astrophysics, Infrared Spectra, Line Spectra, Molecular Clouds, Shock Waves
Scientific paper
The 2Pi(1/2) OH 163-micron J = 3/2-1/2 rotational transitions in Orion-KL were observed and an upper limit was set to the line strength of the 2II(1/2) OH 56-micron J = 9/2-7/2 doublet in this source. The 163-micron line intensities were modeled, along with the previously measured 2II(3/2) 119 and 84-micron rotational line emission and it is found that the gas in the Orion-KL postshocked region can produce OH 119-micron line emission of the same strength as measured; however, the resultant 84 and 163-micron line intensities would be weaker than observed. Shocked gas plus a second component which experiences strong radiative excitation can reproduce the observations.
Genzel Reinhard
Lugten John B.
Melnick Gary J.
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