Fast and Efficient Template Fitting of Deterministic Anisotropic Cosmological Models Applied to WMAP Data

Abstract

We explore methods of fitting templates to cosmic microwave background (CMB) data, and in particular demonstrate the application of the total convolver algorithm as a fast method of performing a search over all possible locations and orientations of the template relative to the sky. This analysis includes investigation of issues such as chance alignments and foreground residuals. We apply these methods to compare Bianchi models of type VII_h to WMAP first year data and confirm the basic result of our 2005 paper.

14 pages, 11 figure, to be published in ApJ

References in corpus (21)

• HEALPix -- a Framework for High Resolution Discretization, and Fast Analysis of Data Distributed on the Sphere
• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Preliminary Maps and Basic Results
• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Foreground Emission
• Asymmetries in the CMB anisotropy field
• A high resolution foreground cleaned CMB map from WMAP
• The significance of the largest scale CMB fluctuations in WMAP
• A Full-Sky H-alpha Template for Microwave Foreground Prediction
• Detection of non-Gaussianity in the WMAP 1-year data using spherical wavelets
• The axis of evil
• Microwave ISM Emission Observed by WMAP
• Testing the cosmological principle of isotropy: local power spectrum estimates of the WMAP data
• Evidence of vorticity and shear at large angular scales in the WMAP data: a violation of cosmological isotropy?
• On the large-angle anomalies of the microwave sky
• On Foreground Removal from the Wilkinson Microwave Anisotropy Probe Data by an Internal Linear Combination Method: Limitations and Implications
• Towards a free-free template for CMB foregrounds
• Global, Exact Cosmic Microwave Background Data Analysis Using Gibbs Sampling
• Power spectrum estimation from high-resolution maps by Gibbs sampling
• Application of Monte Carlo Algorithms to the Bayesian Analysis of the Cosmic Microwave Background
• Low-order multipole maps of CMB anisotropy derived from WMAP
• CMB and foregrounds in WMAP first year data
• Cosmological parameters and the WMAP data revisited

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