# Bayesian Power Spectrum Analysis of the First-Year Wilkinson Microwave Anisotropy Probe Data

@article{ODwyer2004BayesianPS, title={Bayesian Power Spectrum Analysis of the First-Year Wilkinson Microwave Anisotropy Probe Data}, author={Ian O'Dwyer and Hans Kristian Eriksen and Benjamin D. Wandelt and Jeffrey B. Jewell and David L. Larson and K. M. G{\'o}rski and Anthony J. Banday and S. M. Levin and Per B. Lilje}, journal={The Astrophysical Journal Letters}, year={2004}, volume={617}, pages={L99 - L102} }

We present the first results from a Bayesian analysis of the Wilkinson Microwave Anisotropy Probe (WMAP) first-year data using a Gibbs sampling technique. Using two independent, parallel supercomputer codes, we analyze the WMAP Q, V, and W bands. The analysis results in a full probabilistic description of the information the WMAP data set contains about the power spectrum and the all-sky map of the cosmic microwave background anisotropies. We present the complete probability distributions for…

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