Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 346, Issue 4, Pages 1089-1102Publisher
BLACKWELL PUBLISHING LTD
DOI: 10.1111/j.1365-2966.2003.07069.x
Keywords
methods : data analysis; cosmic microwave background; cosmology : observations
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We present a new method for analysing multidetector maps containing several astrophysical components. Our method, based on matching the data to a model in the spectral domain, permits us to estimate jointly the spatial power spectra of the components and of the noise, as well as their mixing coefficients. It is of particular relevance for analysis of millimetre-wave maps of cosmic microwave background (CMB) anisotropies.
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