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Data Compression for CMB Experiments

A. H. Jaffe, L. E. Knox, J. R. Bond

astro-pharXiv:astro-ph/9702109

Abstract

We discuss data compression for CMB experiments. Although "radical compression" to Cl bands, via quadratic estimators or local bandpowers, potentially offers a great savings in computation time, they do a considerably worse job at recovering the full likelihood than the the signal-to-noise eigenmode method of compression.

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