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Aperture-synthesis observations of carbon monoxide in the Egg NebulaObservations of the 2.6-mm CO emission of the bipolar nebular CRL 2688, obtained with resolution 7 arcsec using the mm-wave interferometer at Owens Valley during December 1982-June 1983, are reported. The emission of a 10 x 15-arcsec core, centered on the optical reflection nebula and probably surrounded by a large cloud of cooler gas, is found to have a main-axis velocity gradient of 3 km/s arcsec and an excitation temperature of about 70 K.
Document ID
19870029355
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Heiligman, G. M.
(California Inst. of Tech. Pasadena, CA, United States)
Berge, G. L.
(California Inst. of Tech. Pasadena, CA, United States)
Claussen, M. J.
(California Inst. of Tech. Pasadena, CA, United States)
Leighton, R. B.
(California Inst. of Tech. Pasadena, CA, United States)
Lo, K. Y.
(California Inst. of Tech. Pasadena, CA, United States)
Masson, C. R.
(California Inst. of Tech. Pasadena, CA, United States)
Moffet, A. T.
(California Inst. of Tech. Pasadena, CA, United States)
Phillips, T. G.
(California Inst. of Tech. Pasadena, CA, United States)
Sargent, A. I.
(California Institute of Technology Pasadena, United States)
Wannier, P. G.
(California Institute of Technology Jet Propulsion Laboratory, Pasadena, United States)
Date Acquired
August 13, 2013
Publication Date
September 1, 1986
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 308
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
87A16629
Funding Number(s)
CONTRACT_GRANT: NSF AST-84-12473
Distribution Limits
Public
Copyright
Other

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