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Foreground removal for Square Kilometre Array observations of the Epoch of Reionization with the Correlated Component Analysis
Anna Bonaldi, Michael L. Brown
We apply the Correlated Component Analysis (CCA) method on simulated data of the Square Kilometre Array, with the aim of accurately cleaning the 21 cm reionization signal from diff…
Foreground removal requirements for measuring large-scale CMB B-modes in light of BICEP2
A. Bonaldi, S. Ricciardi, M. L. Brown
The most convincing confirmation that the B-mode polarization signal detected at degree scales by BICEP2 is due to the Cosmic Microwave Background (CMB) would be the measurement of…
Removing beam asymmetry bias in precision CMB temperature and polarisation experiments
Christopher G. R. Wallis, Michael L. Brown, Richard A. Battye +2
Asymmetric beams can create significant bias in estimates of the power spectra from CMB experiments. With the temperature power spectrum many orders of magnitude stronger than the…