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Bayesian foreground analysis with CMB data

Eriksen, H. K. and Dickinson, C. and Lawrence, C. R. and Baccigalupi, C. and Banday, A. J. and Górski, K. M. and Hansen, F. K. and Pierpaoli, E. and Seiffert, M. D. (2006) Bayesian foreground analysis with CMB data. New Astronomy Reviews, 50 (11-12). pp. 861-867. ISSN 1387-6473. doi:10.1016/j.newar.2006.09.027.

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The quality of CMB observations has improved dramatically in the last few years, and will continue to do so in the coming decade. Over a wide range of angular scales, the uncertainty due to instrumental noise is now small compared to the cosmic variance. One may claim with some justification that we have entered the era of precision CMB cosmology. However, some caution is still warranted: The errors due to residual foreground contamination in the CMB power spectrum and cosmological parameters remain largely unquantified, and the effect of these errors on important cosmological parameters such as the optical depth τ and spectral index n_s is not obvious. A major goal for current CMB analysis efforts must therefore be to develop methods that allow us to propagate such uncertainties from the raw data through to the final products. Here we review a recently proposed method that may be a first step towards that goal.

Item Type:Article
Related URLs:
URLURL TypeDescription DOIArticle
Dickinson, C.0000-0002-0045-442X
Pierpaoli, E.0000-0002-7957-8993
Additional Information:© 2006 Elsevier B.V. Available online 13 November 2006.
Subject Keywords:Cosmic microwave background; Cosmology: observations; Methods: numerical
Issue or Number:11-12
Record Number:CaltechAUTHORS:20110224-150243912
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Official Citation:H.K. Eriksen, C. Dickinson, C.R. Lawrence, C. Baccigalupi, A.J. Banday, K.M. Gorski, F.K. Hansen, E. Pierpaoli, M.D. Seiffert, Bayesian foreground analysis with CMB data, New Astronomy Reviews, Volume 50, Issues 11-12, Fundamental Physics with Cosmic Microwave Background Radiation, Workshop on Fundamental Physics with Cosmic Microwave Background Radiation, December 2006, Pages 861-867, ISSN 1387-6473, DOI: 10.1016/j.newar.2006.09.027. (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:22504
Deposited By: Benjamin Perez
Deposited On:24 Feb 2011 23:44
Last Modified:09 Nov 2021 16:05

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