Frequency measurement of the J = 1-0 rotational transition of HD

Details Frequency measurement of the J = 1-0 rotational transition of HD Frequency measurement of the J = 1-0 rotational transition of HD

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...330l.135e&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 330, July 15, 1988, p. L135, L136.

Astronomy and Astrophysics

Astrophysics

12

Deuterides, Electron Transitions, Far Infrared Radiation, Frequency Measurement, Hydrogen, Accuracy, Astronomical Spectroscopy, Carbon Dioxide Lasers, Coherent Radiation, Line Spectra, Molecular Rotation, Planetary Atmospheres

Scientific paper

The frequency of the astronomically important J = 1-0 rotational transition of HD at 2.7 THz (90/cm) has been measured with tunable FIR radiation with an accuracy of 150 kHz. This frequency is now known to sufficient accuracy for use in future astrophysical heterodyne observations of HD in planetary atmospheres (reported by Bezard et al., 1986) and in the interstellar medium (reported by Bussoletti et al., 1975).

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