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On the Viability of Bianchi Type VIIh Models with Dark Energy
T. R. Jaffe, S. Hervik, A. J. Banday +1
We generalize the predictions for the CMB anisotropy patterns arising in Bianchi type VIIh universes to include a dark energy component. We consider these models in light of the re…
A determination of the Spectra of Galactic components observed by WMAP
R. D. Davies, C. Dickinson, A. J. Banday +3
WMAP data when combined with ancillary data on free-free, synchrotron and dust allow an improved understanding of the spectrum of emission from each of these components. Here we ex…
Evidence of vorticity and shear at large angular scales in the WMAP data: a violation of cosmological isotropy?
T. R. Jaffe, A. J. Banday, H. K. Eriksen +2
Motivated by the large-scale asymmetry observed in the cosmic microwave background sky, we consider a specific class of anisotropic cosmological models -- Bianchi type VII_h -- and…