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The Kolmogorov-Smirnov test for the CMB | | Mona Frommert
; Ruth Durrer
; Jérôme Michaud
; | | Date: |
26 Aug 2011 | | Abstract: | We investigate the statistics of the cosmic microwave background using the
Kolmogorov-Smirnov test. We show that, when we correctly de-correlate the data,
the partition function of the Kolmogorov stochasticity parameter is compatible
with the Kolmogorov distribution and, contrary to previous claims, the CMB data
are compatible with Gaussian fluctuations with the correlation function given
by standard Lambda-CDM. We then use the Kolmogorov-Smirnov test to derive upper
bounds on residual point source power in the CMB, and indicate the promise of
this statistics for further datasets, especially Planck, to search for
deviations from Gaussianity or for point sources. | | Source: | arXiv, 1108.5354 | | Services: | Forum | Review | PDF | Favorites | |
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