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The laboratory and astronomical input data has been
summarized in
(1) L. Dore, C. Puzzarini, and G. Cazzoli,
2001, Can. J. Phys., 79, 359.
Predictions for high frequencies should be viewed with some caution.
At low J, it is possible to
resolve the 17O hyperfine splitting. Therefore, a separate
hyperfine calculation up to J = 5 is provided.
Note:The partion function given below
takes into account this splitting !
The dipole moment is assumed to agree with that of the main
isotopic species, see e029507.cat.
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