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Deuterium hyperfine structure in interstellar C3HD

✍ Scribed by M.B. Bell; J.K.G. Watson; P.A. Feldman; H.E. Matthews; S.C. Madden; W.M. Irvine

Publisher: Elsevier Science
Year: 1987
Tongue: English
Weight: 406 KB
Volume: 136
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(87)80523-7

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✦ Synopsis

The deuterium nuclear quadrupole hyperfine structure of the transition 1(10)-1(01) of the ring molecule cyclopropenylidene-d1 (C3HD) has been observed in emission from interstellar molecular clouds. The narrowest linewidths (approximately 7 kHz) so far observed are in the cloud L1498. The derived D coupling constants Xzz = 186.9(1.4) kHz, eta=0.063(18) agree well with correlations based on other molecules.

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