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Chemical abundances in cold, dark interstellar cloudsCurrent tabulations are presented of the entire range of known interstellar molecules, giving attention to that subset which has been identified in the cold, dark interstellar clouds out of which the sun has been suggested to have formed. The molecular abundances of two such clouds, Taurus Molecular Cloud 1 and Lynd's 134N, exhibit prepossessing chemical differences despite considerable physical similarities. This discrepancy may be accounted for by the two clouds' differing evolutionary stages. Two novel classes of interstellar molecules are noted: sulfur-terminated carbon chains and silicon-terminated ones.
Document ID
19910052737
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Irvine, William M.
(Nobeyama Solar Radio Observatory Nobeyama, Japan)
Kaifu, Norio
(Nobeyama Radio Observatory Minamimaki, Japan)
Ohishi, Masatoshi
(Toyama University Japan)
Date Acquired
August 15, 2013
Publication Date
May 1, 1991
Publication Information
Publication: Icarus
Volume: 91
ISSN: 0019-1035
Subject Category
Astrophysics
Accession Number
91A37360
Funding Number(s)
CONTRACT_GRANT: NSF INT-88-15406
CONTRACT_GRANT: NAGW-1483
Distribution Limits
Public
Copyright
Other

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