Fluctuation Analysis of the Point Source Population in Microwave Background Maps

Details Fluctuation Analysis of the Point Source Population in Microwave Background Maps Fluctuation Analysis of the Point Source Population in Microwave Background Maps

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21731304h&link_type=abstract

American Astronomical Society, AAS Meeting #217, #313.04; Bulletin of the American Astronomical Society, Vol. 43, 2011

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Fluctuation analysis of maps using the one-point distribution function is a standard technique in sub-mm astronomy to explore the number counts of source populations. Here we describe using these methods to constrain the residual point source signal in combinations of microwave frequency maps that subtract out the CMB. This complements the usual power spectrum-based methods for characterizing these sources. We apply the method to WMAP 7-year data to constrain the source population and the frequency dependence of sources at WMAP frequencies, and discuss applications to other experiments.

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