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Far-Infrared Source Counts and the Diffuse Infrared Background

Published online by Cambridge University Press:  13 May 2016

J. L. Puget  and
G. Lagache
J. L. Puget
Affiliation:
Institut d'Astrophysique Spatiale, Orsay, 91405, France
G. Lagache
Affiliation:
Institut d'Astrophysique Spatiale, Orsay, 91405, France

Abstract

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The cosmic far-infrared background is now well measured from 140 μm to 1 mm. Uncertainties remain at 100 μm (and even more at 60 μm). These are dominated by limitations of the zodiacal model. The nature of sources dominating the background near its maximum are beginning to be studied through deep surveys carried out with ISOPHOT. These surveys show very steep number counts and fluctuations of the background due to unresolved sources.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 204: The Extragalactic Infrared Background and its Cosmological Implication , 2001 , pp. 233 - 245
Copyright
Copyright © Astronomical Society of the Pacific 2001 

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