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The ethynyl radical C2H - A new interstellar moleculeFour new interstellar lines have been detected near 87.3 GHz. Based on laboratory ESR data these lines have been positively defined as hyperfine components of the lowest rotational transition of the ethynyl radical C2H. The observations gave precise values for the C2H rotation, spin-doubling, and hyperfine constants. C2H is probably one of the most abundant interstellar polyatomic molecules yet detected.
Document ID
19750030102
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/181646
Authors
Tucker, K. D. (NASA Goddard Institute for Space Studies New York, N.Y., United States)
Kutner, M. L. (Columbia University New York, N.Y., United States)
Thaddeus, P. (NASA Goddard Institute for Space Studies; Columbia University New York, N.Y., United States)
Date Acquired
August 8, 2013
Publication Date
November 1, 1974
Publication Information
Publication: Astrophysical Journal
Volume: 193
Subject Category
Astrophysics
Accession Number
75A14174
Distribution Limits
Public
Copyright
Other

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