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Estimation of Polarized Power Spectra by Gibbs sampling
D. L. Larson, H. K. Eriksen, B. D. Wandelt +4
Earlier papers introduced a method of accurately estimating the angular cosmic microwave background (CMB) temperature power spectrum based on Gibbs sampling. Here we extend this fr…
Revised WMAP constraints on neutrino masses and other extensions of the minimal CDM model
Jostein R. Kristiansen, Hans Kristian Eriksen, Oystein Elgaroy
Recently, two issues concerning the three-year WMAP likelihood code were pointed out. On large angular scales (), a sub-optimal likelihood approximation resulted in…
Bianchi Type VII_h Models and the WMAP 3-year Data
T. R. Jaffe, A. J. Banday, H. K. Eriksen +2
Context. A specific example of Bianchi Type VIIh models, i.e. those including universal rotation (vorticity) and differential expansion (shear), has been shown in Jaffe et al. (200…
Point-Source Power in 3 Year Wilkinson Microwave Anisotropy Probe Data
K. M. Huffenberger, H. K. Eriksen, F. K. Hansen
Using a set of multifrequency cross spectra computed from the 3 year WMAP sky maps, we fit for the unresolved point-source contribution. For a white-noise power spectrum, we find a…
A re-analysis of the three-year WMAP temperature power spectrum and likelihood
H. K. Eriksen, Greg Huey, R. Saha +11
We analyze the three-year WMAP temperature anisotropy data seeking to confirm the power spectrum and likelihoods published by the WMAP team. We apply five independent implementatio…
Bayesian foreground analysis with CMB data
H. K. Eriksen, C. Dickinson, C. R. Lawrence +6
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 uncertain…