Abstract
view Abstract Citations (40) References (17) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Laboratory and astronomical detection of the deuterated ethynyl radical CCD. Vrtilek, J. M. ; Gottlieb, C. A. ; Langer, W. D. ; Thaddeus, P. ; Wilson, R. W. Abstract Two rotational transitions of CCD, N = 1-2 at 144 GHz and 2-3 at 216 GHz, were detected in a laboratory glow discharge through deuterated acetylene and helium, after which one, N = 2-1, was detected toward the rich molecular cloud behind the Orion Nebula. The 144 GHz transition is a well-resolved spin doublet split by 55 MHz, the components of which contain hyperfine structure of the order of 1 MHz, so far only partially resolved. From observations toward two positions in Orion, at and near the Kleinmann-Low nebula, the column density of CCD is determined to be 1.8 x 10 to the 13th/sq cm and the isotopic ratio CCD/CCH = 0.05. CCD was not detected at two positions in TMC-1. Publication: The Astrophysical Journal Pub Date: September 1985 DOI: 10.1086/184544 Bibcode: 1985ApJ...296L..35V Keywords: Deuterium Compounds; Hydrocarbons; Interstellar Chemistry; Molecular Clouds; Radicals; Cosmochemistry; Hyperfine Structure; Orion Nebula; Spectral Resolution; Astrophysics full text sources ADS | data products SIMBAD (1)
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