A Bayesian estimate of the skewness of the Cosmic Microwave Background

We propose a formalism for estimating the skewness and angular power spectrum of a general Cosmic Microwave Background data set. We use the Edgeworth Expansion to define a non-Gaussian likelihood function that takes into account the anisotropic nature of the noise and the incompleteness of the sky c...

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Hlavní autoři: Contaldi, C, Ferreira, P, Magueijo, J, Gorski, K
Médium: Journal article
Vydáno: 1999