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Extended CO(7-6) emission from warm gas in OrionResults of a search for extended CO(7-6) line emission in the Orion A molecular cloud using the University of Texas submillimeter laser heterodyne receiver are presented. The large-scale distribution of quiescent CO(7-6) emission is mapped along a cut across the Trapezium cluster extending more than 13 arcmin (nearly 2 pc) in R.A. The receiver, observing method, and calibration techniques are described, and the CO(7-6) spectra and maps are presented. The physical parameters and energetics of the molecular gas are discussed. The findings are compared with observations of other high-luminosity star-forming regions.
Document ID
19930057221
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Howe, J. E.
(Texas Univ. Austin; Maryland Univ., College Park, United States)
Jaffe, D. T.
(Texas Univ. Austin, United States)
Grossman, E. N.
(Texas Univ. Austin; NIST, Boulder, CO, United States)
Wall, W. F.
(Texas Univ., Austin; NASA, Goddard Space Flight Center Greenbelt, MD, United States)
Mangum, J. G.
(Texas Univ. Austin, United States)
Stacey, G. J.
(Cornell Univ. Ithaca, NY, United States)
Date Acquired
August 16, 2013
Publication Date
June 10, 1993
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 410
Issue: 1
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
93A41218
Distribution Limits
Public
Copyright
Other

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