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Detection of formic acid in the cold, dark cloud L134NThe detection of formic acid (HCOOH) in a cold dark interstellar cloud (L134N) is reported. The observed abundance of 3 x 10 to the 10th relative to H2 is between one and two orders of magnitude lower than that calculated by published ion-molecule models of dark-cloud chemistry, but is quite consistent with recent model revisions based on new reaction rates. Formic acid was not detected in the archetypical dark cloud TMC-1, and was tentatively detected in the region of massive star formation W51.
Document ID
19900064660
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Irvine, W. M. (Five-College Astronomy Dept. Amherst, MA, United States)
Minh, Y. C. (Five College Radio Astronomy Observatory Amherst, MA, United States)
Friberg, P. (Onsala Rymdobservatorium Sweden)
Kaifu, N. (Nobeyama Radio Observatory Japan)
Matthews, H. E. (Joint Astronomy Center Hilo, HI, United States)
Date Acquired
August 14, 2013
Publication Date
March 1, 1990
Publication Information
Publication: Astronomy and Astrophysics
Volume: 229
Issue: 2 Ma
ISSN: 0004-6361
Subject Category
Astrophysics
Accession Number
90A51715
Funding Number(s)
CONTRACT_GRANT: NAGW-436
CONTRACT_GRANT: NSF AST-88-15406
Distribution Limits
Public
Copyright
Other

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