A reevaluation of the infrared-radio correlation for spiral galaxies

Devereux, N. A. and Eales, Stephen Anthony ORCID: https://orcid.org/0000-0002-7394-426X 1989. A reevaluation of the infrared-radio correlation for spiral galaxies. Astrophysical Journal 340 , pp. 708-712. 10.1086/167431

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Abstract

The infrared radio correlation has been reexamined for a sample of 237 optically bright spiral galaxies which range from 10 to the 8th to 10 to the 11th solar luminosities in far-infrared luminosity. The slope of the correlation is not unity. A simple model in which dust heating by both star formation and the interstellar radiation field contribute to the far-infrared luminosity can account for the nonunity slope. The model differs from previous two component models, however, in that the relative contribution of the two components is independent of far-infrared color temperature, but is dependent on the far-infrared luminosity.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Uncontrolled Keywords:	infrared radiation; radio emission; spiral galaxies; cosmic dust; infrared astronomy satellite; luminosity; radiation distribution; star formation
Publisher:	IOP Science
ISSN:	0004-637X
Last Modified:	24 Oct 2022 11:19
URI:	https://orca.cardiff.ac.uk/id/eprint/47702

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