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

Fast and Efficient Template Fitting of Deterministic Anisotropic Cosmological Models Applied to WMAP Data
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应用于 WMAP 数据的确定性各向异性宇宙学模型的快速高效模板拟合

DOI:
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发表时间:
2006
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影响因子:
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通讯作者:
F. Hansen
F. Hansen
中科院分区:
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文献类型:
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作者:
T. Jaffe;A. Banday;H. Eriksen;K. Górski;F. Hansen

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我们探讨的方法拟合模板宇宙微波背景(CMB)数据,特别是演示了应用程序的总卷积算法作为一种快速的方法,执行搜索所有可能的位置和方向的模板相对于天空。该分析包括对机会对齐和前景残差等问题的调查。我们应用这些方法比较比安奇模型的类型VIIh WMAP第一年的数据,并确认我们的基本结果2005年的文件。
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 VIIh to WMAP first-year data and confirm the basic result of our 2005 paper.