We study the astrophysical foreground emissions in the context of the effort for constraining the Cosmic Microwave Background (CMB) anisotropy non-Gaussianity (NG). We parametrize the NG signal by an equivalent f NL evaluated through the Komatsu-Spergel-Wandelt (KSW) estimator and induced by the known Galactic emissions. We analysed foregrounds template and CMB at 70 GHz adopting Planck specifications and finding a possible induced bias inconsistent with zero at 8s for a mask of 70% of free sky coverage.
fNL from galactic foregrounds
Renzi A.
2012
Abstract
We study the astrophysical foreground emissions in the context of the effort for constraining the Cosmic Microwave Background (CMB) anisotropy non-Gaussianity (NG). We parametrize the NG signal by an equivalent f NL evaluated through the Komatsu-Spergel-Wandelt (KSW) estimator and induced by the known Galactic emissions. We analysed foregrounds template and CMB at 70 GHz adopting Planck specifications and finding a possible induced bias inconsistent with zero at 8s for a mask of 70% of free sky coverage.File in questo prodotto:
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