Millimeter observations of galactic sources

Clegg, P. E., Rowan-Robinson, M. and Ade, Peter A. R. ORCID: https://orcid.org/0000-0002-5127-0401 1976. Millimeter observations of galactic sources. Astronomical Journal 81 , pp. 399-406. 10.1086/111899

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Abstract

Observations at wavelengths close to 1 mm of 53 Galactic source positions, including most of the available strong CO sources and infrared sources associated with compact H II regions, are described. Strip maps across W49 and W51, and a complete map of Orion, are presented, the latter suggesting a strong correlation between far-infrared radiation from dust and molecular line emission. Spectra of some of the sources are shown. A composite spectrum suggests similar dust cloud properties in the various sources. Comparison of the present fluxes and upper limits with CO excitation temperatures enables the 1-mm optical depths to be estimated.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Additional Information:	A&AA ID. AAA017.141.637
Publisher:	IOP Science
ISSN:	0004-6256
Last Modified:	27 Oct 2022 08:40
URI:	https://orca.cardiff.ac.uk/id/eprint/63072

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