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Observations of CO J = 3→2 emission from molecular clouds

White, Glenn J.; Phillips, J. P. and Watt, Graeme D. (1982). Observations of CO J = 3→2 emission from molecular clouds. In: Symposium on Neutral Clouds near HII Regions - Dynamics and Photochemistry, 24-26 June 1981, Penticton, British Columbia, Canada, pp. 237–244.

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Abstract

Extensive spectral observations in the CO J = 3→2 line have been made toward a sample of hot-centered molecular clouds which exhibit self-absorption or high-velocity gas. The observations were made with the 3.8-m United Kingdom Infrared Telescope (UKIRT) with the QMC and UKIRT submillimeter heterodyne receivers. The spectra are generally similar to observations in the lower CO transitions, though there is a tendency for enhanced red-shifted high velocity gas to be present. Mapping observations with high angular resolution have revealed accurate positions and intensity profiles for a number of sources. NGC 2068 and NGC 2023 are resolved, isolated, and symmetrical clouds, while NGC 1333 and NGC 2024 are more complex areas, containing multiple hotspots.

Item Type: Conference Item
Copyright Holders: 1982 D. Reidel Publishing Company
Extra Information: Regions of Recent Star Formation: proceedings of the Symposium on Neutral Clouds near HII Regions - Dynamics and Photochemistry
Edited by R. S. Roger, Peter E. Dewdney,
Dordrecht : D. Reidel, 1982
(Astrophysics and Space Science Library. Proceedings; v.93)
ISBN 90-277-1383-9
pp.237-244
Keywords: carbon monoxide; electron transitions; emission spectra; interstellar gas; molecular clouds; molecular spectra; angular resolution; astronomical maps; gas temperature; stellar evolution
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
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Item ID: 33801
Depositing User: Glenn White
Date Deposited: 06 Jun 2012 12:49
Last Modified: 06 Jun 2012 12:53
URI: http://oro.open.ac.uk/id/eprint/33801
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