Polarized Foregrounds Power Spectra vs CMB

Details Polarized Foregrounds Power Spectra vs CMB Polarized Foregrounds Power Spectra vs CMB

2001-11-08

arxiv.org/abs/astro-ph/0111177v1

Astronomy and Astrophysics

Astrophysics

six pages including 2 figures, to appear in S. Cecchini et al., Astrophysical Polarized Backgrounds, AIP Conf. Proceedings

Scientific paper

10.1063/1.1471828

We briefly review our work about the polarized foreground contamination of the Cosmic Microwave Background maps. We start by summarizing the main properties of the polarized cosmological signal, resulting in "electric" (E) and "magnetic" (B) components of the polarization tensor field on the sky. Then we describe our present understanding of sub-degree anisotropies from Galactic synchrotron and from extra-Galactic point sources. We discuss their contamination of the cosmological E and B modes.

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