Rotational Spectroscopy of HD18O

Computer Science – Performance

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Microwave

Scientific paper

The recent detection of HD18O in Orion KL by the Herschel Space Observatory provided a strong motivation to revisit the rotational spectrum in order to obtain more accurate calculations of transition frequencies. Rotational ransitions were recorded in the 300-2700 GHz frequency range. Analysis of the combined microwave and infrared data sets with an Euler series Hamiltonian has facilitated determination of a set of precise rotational constants to support precision velocity measurements. The new rotational data also provides a means of evaluating the performance of the MARVEL algorithm used in the recent review of all available HDO data.
E. A. Bergin et al., Astron. Astrophys. 521, (L20), 2010.
H. M. Pickett, J. C. Pearson, and C. E. Miller J. Mol. Spectrosc. 233 (174), 2005.
J. Tennyson et al. J. Quant. Spectrosc. Radiat. Transfer 111, (2160), 2010.

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