Noise Estimation in CMB Time-Streams and Fast Iterative Map-Making (original) (raw)

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Noise Estimation in CMB Time-Streams and Fast Iterative Map-Making

ESO ASTROPHYSICS SYMPOSIA, 2001

Eric Hivon

Abstract

We describe here an iterative method for jointly estimating the noise power spectrum from a CMB experiment’s time-ordered data, together with the maximum-likelihood map. We test the robustness of this method on simulated Boomerang datasets with realistic noise.

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