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Observations of the SiC2 radical toward IRC + 10216 at 1.27 centimetersThe first centimeter-wave transition of the recently identified SiC2 radical has been observed in the envelope of the evolved carbon star IRC + 10216. The excellent agreement between the measured astronomical rest frequency and the predicted frequency, and the measured line intensity support the SiC2 identification. The high-resolution line profile and mapping data are used to estimate the size of the IRC + 10216 SiC2 envelope and the abundance of SiC2 relative to H2.
Document ID
19850046050
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/184436
Authors
Snyder, L. E. (Illinois, University Urbana, IL; Max-Planck-Institut fuer Radioastronomie, Bonn, Germany)
Henkel, C. (Max-Planck-Institut fuer Radioastronomie Bonn, Germany)
Hollis, J. M. (NASA Goddard Space Flight Center Laboratory for Astronomy and Solar Physics, Greenbelt, MD, United States)
Lovas, F. J. (National Bureau of Standards, Molecular Spectroscopy Div., Gaithersburg MD, United States)
Date Acquired
August 12, 2013
Publication Date
March 1, 1985
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters to the Editor
Volume: 290
ISSN: 0004-637X
Subject Category
Astrophysics
Report/Patent Number
ISSN: 0004-637X
Accession Number
85A28201
Funding Number(s)
CONTRACT_GRANT: NSF AST-82-17547
Distribution Limits
Public
Copyright
Other

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