Fast and Efficient Template Fitting of Deterministic Anisotropic Cosmological Models Applied toWMAPData | Zendy

T. R. Jaffe | Zendy; A. J. Banday | Zendy; H. K. Eriksen | Zendy; K. M. Górski | Zendy; Frode K. Hansen | Zendy

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Fast and Efficient Template Fitting of Deterministic Anisotropic Cosmological Models Applied toWMAPData

Author(s) -

T. R. Jaffe,

A. J. Banday,

H. K. Eriksen,

K. M. Górski,

Frode K. Hansen

Publication year - 2006

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/501343

Subject(s) - cmb cold spot , cosmic microwave background , template , anisotropy , cosmic background radiation , sky , planck , cosmic cancer database , algorithm , computer science , statistical physics , physics , astrophysics , optics , programming language

We explore methods of fitting templates to cosmic microwave background (CMB)data, and in particular demonstrate the application of the total convolveralgorithm as a fast method of performing a search over all possible locationsand orientations of the template relative to the sky. This analysis includesinvestigation of issues such as chance alignments and foreground residuals. Weapply these methods to compare Bianchi models of type VII_h to WMAP first yeardata and confirm the basic result of our 2005 paper.Comment: 14 pages, 11 figure, to be published in Ap

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