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Type:
Abstract
Title:
Clustering of Diffuse Infrared Background Light
Authors:
Kashlinsky, A.; Mather, J. C.; Odenwald, S.
Affiliation:
NORDITA, Blegdamsvej 17, Copenhagen, DK-2100 Denmark
Journal:
COSMOLOGICAL CONSTANT AND THE EVOLUTION OF THE UNIVERSE, eds. K.Sato, T. Suginohara, N. Sugiyama, pp. 73-78
Publication Date:
01/1996
Origin:
AUTHOR
Aabstract Copyright:
(c) 1996: The American Astronomical Society
Bibliographic Code:
1996cceu.conf...73K
Doc-summary/Abstract:
We outline a new method for estimating the cosmic infrared background using the spatial and spectral correlation properties of infrared maps. The cosmic infrared background from galaxies should have a minimum fluctuation of the order of 10\% on angular scales probed by the DIRBE (Diffuse Infrared Background Experiment) on board COBE (Cosmic Background Explorer). We present the theoretical basis for the analysis and discuss the all-sky all-wavelengths survey that we conducted. We further show that a linear combination of maps at different wavelengths can greatly reduce the fluctuations produced by foreground stars in the near-IR, while not eliminating the fluctuations of the background from high redshift galaxies. The method is potentially very powerful, especially at wavelengths in the mid- to far-IR where the foreground is bright but smooth.
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