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Neutral carbon in the Egg Nebula (AFGL 2688)A search for sub-mm C I emission from seven stars that are surrounded by dense molecular gas shells has led to the detection, in the case of the 'Egg Nebula' (AFGL 2688), of an 0.9 K line implying a C I/CO value greater than 5. The material surrounding this star must be extremely carbon-rich, and it is suggested that the apparently greater extent of the C I emission region may be due to the effects of the the galactic UV field on the shell's chemistry, as suggested by Huggins and Glassgold (1982).
Document ID
19840029432
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Huggins, P. J.
(New York, University New York, NY, United States)
Masson, C.
(California Institute of Technology Pasadena, CA, United States)
Frerking, M. A.
(California Institute of Technology, Jet Propulsion Laboratory, Pasadena CA, United States)
Beichman, C. A.
(New York Univ. New York, NY, United States)
Keene, J.
(New York Univ. New York, NY, United States)
Phillips, T. G.
(New York Univ. New York, NY, United States)
Wootten, H. A.
(New York Univ. New York, NY, United States)
Date Acquired
August 12, 2013
Publication Date
October 15, 1983
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 273
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
84A12219
Funding Number(s)
CONTRACT_GRANT: NSF AST-80-07645
CONTRACT_GRANT: NAG2-1
Distribution Limits
Public
Copyright
Other

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