The large-scale anisotropies of the extragalactic infrared background

Details The large-scale anisotropies of the extragalactic infrared background The large-scale anisotropies of the extragalactic infrared background

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...315...12f&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 315, April 1, 1987, p. 12-27. Sponsorship: Ministero della Pubblica Istruzi

Astronomy and Astrophysics

Astronomy

7

Anisotropy, Background Radiation, Cosmology, Infrared Sources (Astronomy), Relic Radiation, Mass Distribution, Perturbation Theory, Radiation Distribution, Red Shift, Wave Functions

Scientific paper

The authors develop a general formalism for computing the harmonic expansion of the anisotropy for an arbitrary diffuse background originating from unresolved sources. The anisotropy is assumed to arise from small-amplitude, large-scale inhomogeneities in the cosmic matter density. The authors apply the formalism to the large-scale anisotropy of the infrared background and calculate the harmonic amplitudes up to l = 5 for the case of a spherical inhomogeneity on the flat-space Friedmann cosmology.

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