Free Access
Issue
Astron. Astrophys. Suppl. Ser.
Volume 119, Number 2, October_II 1996
Page(s) 333 - 367
DOI https://doi.org/10.1051/aas:1996249
Published online 15 October 1996
A 330-360 GHz spectral survey of G 34.3+0.15. I. Data and physical analysis DOI: 10.1051/aas:1996249

Astronomy and Astrophysics Supplement Series, Vol. 119, October II 1996, 333-367

A 330-360 GHz spectral survey of G 34.3+0.15. I. Data and physical analysis

G.H. Macdonald , A.G. Gibb , R.J. Habing and T.J. Millar
Send offprint requests to: G.H. Macdonald

Electronic Engineering Laboratory, University of Kent, Canterbury, Kent, CT2 7NT, UK
Department of Physics, UMIST, P.O. Box 88, Manchester, M60 1QD, UK

Received June 9, 1995; accepted February 26, 1996

Abstract:

A 330-360 GHz spectral survey of the hot molecular core associated with the `cometary' ultracompact HII region G 34.3+0.15 observed with the James Clerk Maxwell Telescope has detected 338 spectral lines from at least 35 distinct chemical species plus 19 isotopomers. 70 lines remain unidentified. Chemical abundance and rotation temperature have been determined by rotation diagram analysis for 12 species, and lower limits to abundance found for 38 others.

Key words: ISM: individual objects: G 34.3+0.15 --- ISM: molecules --- radio lines: ISM --- Line: identification --- ISM: abundances


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