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A submillimetre wavelength spectral line search of the Orion molecular cloud core

White, Glenn J.; Monteiro, T. S.; Richardson, K. J.; Griffin, M. J. and Rainey, R. (1986). A submillimetre wavelength spectral line search of the Orion molecular cloud core. Astronomy & Astrophysics, 162(1-2) pp. 253–258.

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Abstract

A submillimetre wavelength molecular line search of the Orion molecular cloud has been made covering a total of about 5 percent of the frequency range 342.8 - 358.6 GHz. This search, coupled with the authors' previous observations of submillimetre transitions in this cloud, has led to the detection of 22 transitions of 14 molecular species, of which 16 are reported here for the first time. No unidentified lines have been detected in the present search. Mapping observations have been obtained for several of the lines and, in the case of H2CO the authors have been able to compare the present data with that obtained from other telescopes, to estimate the density and abundance in the emitting region.

Item Type: Journal Article
Copyright Holders: 1986 European Southern Observatory
ISSN: 1432-0746
Keywords: interstellar matter; molecular clouds; Orion nebula; radio sources (astronomy); submillimeter waves; formaldehyde; molecular ions; molecular spectroscopy; positive ions; spectral line width
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 33514
Depositing User: Glenn White
Date Deposited: 04 May 2012 09:28
Last Modified: 23 Oct 2014 10:25
URI: http://oro.open.ac.uk/id/eprint/33514
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