Source separation on astrophysical data sets from the WMAP satellite

Details Source separation on astrophysical data sets from the WMAP satellite Source separation on astrophysical data sets from the WMAP satellite

2004-03-16

arxiv.org/abs/astro-ph/0403363v1

Astronomy and Astrophysics

Astrophysics

submitted to ICA 2004 conference on Independent Component Analysis

Scientific paper

This paper presents and discusses the application of blind source separation to astrophysical data obtained with the WMAP satellite. Blind separation permits to identify and isolate a component compatible with CMB emission, and to measure both its spatial power spectrum and its emission law. Both are found to be compatible with the present concordance cosmological model. This application demonstrates the usefulness of blind ICA for cosmological applications.

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