Abstract
view Abstract Citations (58) References (19) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Detection of the J = 1 --> 0 transition of CH3 CN. Matthews, H. E. ; Sears, T. J. Abstract The first detection of the J = 1 - 0 transition of CH3CN at 18.4 GHz in the dark cloud TMC-1 and the complex molecular cloud Sgr B2 is reported. This is the first time that CH3CN has been seen in a cold dust cloud and that the hyperfine structure of a transition of this molecule has been resolved in space. A column density N(CH3CN) of 7 x 10 to the 12th/sq cm is found in TMC-1, comparable to that of many other molecules there. In Sgr B2 the emission shows self-absorption in two of the hyperfine components. Publication: The Astrophysical Journal Pub Date: April 1983 DOI: 10.1086/184001 Bibcode: 1983ApJ...267L..53M Keywords: Acetonitrile; Cyanides; Electron Transitions; Interstellar Matter; Methyl Compounds; Molecular Clouds; Emission Spectra; Hyperfine Structure; Molecular Rotation; Molecular Spectra; Astrophysics full text sources ADS | data products SIMBAD (9)
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