Bayesian analysis of sparse anisotropic universe models and application to the 5-yr WMAP data

We extend the previously described CMB Gibbs sampling framework to allow for exact Bayesian analysis of anisotropic universe models, and apply this method to the 5-year WMAP temperature observations. This involves adding support for non-diagonal signal covariance matrices, and implementing a general...

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Veröffentlicht in:	arXiv.org 2008-09
Hauptverfasser:	Groeneboom, Nicolaas E, Eriksen, Hans Kristian
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Astronomical models Bayesian analysis Computer simulation Covariance matrix Multipoles Physics - Astrophysics of Galaxies Physics - Cosmology and Nongalactic Astrophysics Physics - Earth and Planetary Astrophysics Physics - High Energy Astrophysical Phenomena Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics Universe
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