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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
H-atlas: The cosmic abundance of dust from the far-infrared background power spectrum
Astrophysical Journal, Volume 768, No. 1, Article 58, Year 2013
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Description
We present a measurement of the angular power spectrum of the cosmic far-infrared background (CFIRB) anisotropies in one of the extragalactic fields of the Herschel Astrophysical Terahertz Large Area Survey at 250, 350, and 500 μm bands. Consistent with recent measurements of the CFIRB power spectrum in Herschel-SPIRE maps, we confirm the existence of a clear one-halo term of galaxy clustering on arcminute angular scales with large-scale two-halo term of clustering at 30 arcmin to angular scales of a few degrees. The power spectrum at the largest angular scales, especially at 250 μm, is contaminated by the Galactic cirrus. The angular power spectrum is modeled using a conditional luminosity function approach to describe the spatial distribution of unresolved galaxies that make up the bulk of the CFIRB. Integrating over the dusty galaxy population responsible for the background anisotropies, we find that the cosmic abundance of dust, relative to the critical density, to be between Ωdust = 10-6 and 8 × 10-6 in the redshift range z ∼ 0-3. This dust abundance is consistent with estimates of the dust content in the universe using quasar reddening and magnification measurements in the Sloan Digital Sky Survey. © 2013. The American Astronomical Society. All rights reserved..
Authors & Co-Authors
Thacker, Cameron
United States, Irvine
University of California, Irvine
Cooray, Asantha Roshan
United States, Irvine
University of California, Irvine
Smidt, Joseph M.
United States, Irvine
University of California, Irvine
de Bernardis, Francesco
United States, Irvine
University of California, Irvine
Mitchell-Wynne, Ketron
United States, Irvine
University of California, Irvine
Amblard, Alexandre
United States, Moffett Field
Nasa Ames Research Center
Auld, Robbie R.
United Kingdom, Cardiff
Cardiff University
Baes, Maarten
Belgium, Ghent
Universiteit Gent
Clements, David L.
United Kingdom, London
Imperial College London
Dariush, Aliakbar A.
United Kingdom, London
Imperial College London
de Zotti, Gianfranco
Italy, Padua
Osservatorio Astronomico Di Padova
Dunne, Loretta
New Zealand, Christchurch
University of Canterbury
Eales, Stephen A.
United Kingdom, Cardiff
Cardiff University
Hopwood, Rosalind H.B.
United Kingdom, London
Imperial College London
Hoyos, Carlos
United Kingdom, Nottingham
University of Nottingham
Ibar, E.
United Kingdom, Edinburgh
Royal Observatory
Chile, Santiago
Pontificia Universidad Católica de Chile
Jarvis, Matthew J.
South Africa, Bellville
University of the Western Cape
Maddox, Steve J.
New Zealand, Christchurch
University of Canterbury
Michałowski, Michał J.
Belgium, Ghent
Universiteit Gent
United Kingdom, Edinburgh
University of Edinburgh, Institute for Astronomy
Pascale, Enzo
United Kingdom, Cardiff
Cardiff University
Scott, Douglas J.
Canada, Vancouver
The University of British Columbia
Serjeant, Stephen B.G.
United Kingdom, Milton Keynes
The Open University
Smith, Matthew W.L.
United Kingdom, Cardiff
Cardiff University
Valiante, Elisabetta
United Kingdom, Cardiff
Cardiff University
van der Werf, Paul P.
Netherlands, Leiden
Sterrewacht Leiden
Statistics
Citations: 35
Authors: 25
Affiliations: 15
Identifiers
Doi:
10.1088/0004-637X/768/1/58
ISSN:
0004637X
e-ISSN:
15384357
Study Design
Cross Sectional Study
Study Approach
Quantitative