Clustering of the Diffuse Infrared Light from the [ITAL]COBE[/ITAL] DIRBE Maps: An All-Sky Survey of [ITAL]C[/ITAL](0)

  • Kashlinsky A
  • Mather J
  • Odenwald S
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Abstract

We measure the smoothness of the infrared sky using the CODE DIRBE maps, and obtain interesting limits on the production of the diffuse cosmic infrared background (CIB) light by matter clustered like galaxies. The predicted fluctuations of the CIB with the DIRBE beam size of 0°.7 are of the order of 10%, and the maps are smooth at the level of δvIv ∼ a few nW m-2 sr-1 rms from 2.2 to 100 μm. The lowest numbers are achieved at mid- to far-IR, where the foreground is bright but smooth; they are [C(0)]1/2 ≤ (1-1.5) nW m-2 sr-1 at λ = 10-100 μm. If the CIB comes from clustered matter evolving according to typical scenarios, then the smoothness of the maps implies CIB levels less than ∼(10-15) nW m-2 sr-1 over this wavelength range. © 1996. The American Astronomical Society. All rights reserved.

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APA

Kashlinsky, A., Mather, J. C., & Odenwald, S. (1996). Clustering of the Diffuse Infrared Light from the [ITAL]COBE[/ITAL] DIRBE Maps: An All-Sky Survey of [ITAL]C[/ITAL](0). The Astrophysical Journal, 473(1), L9–L12. https://doi.org/10.1086/310379

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