Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...273..397l&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 273, Oct. 1, 1983, p. 397-409.
Astronomy and Astrophysics
Astrophysics
14
Astronomical Spectroscopy, Deuterium, Methane, Near Infrared Radiation, Solar System, Spectral Bands, Abundance, Infrared Spectra, Molecular Rotation, Molecular Spectra, Planetary Composition, Spectroscopic Analysis
Scientific paper
The analysis of the near-infrared spectrum of monodeuterated methane (CH3D) near 6400 cm-1 and 5100 cm-1 is presented as the first of a series of papers dealing with laboratory studies of this molecule and with observational searches for it in outer solar system objects. Three new parallel bands which have locally perturbed upper states connecting with the ground state are identified, and approximate rotational constants are derived. The band centered near 6425 cm-1 and the 9613 Å band are found to form an apparent vibrational progression with the ν2 fundamental at 2200 cm-1, and vibrational assignments of 3ν2 and 5ν2, respectively, are proposed.
de Bergh Catherine
Lutz Barry L.
Maillard Jean Pierre
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