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The Kolmogorov-Smirnov test for the CMB
Université de Genève, Genève, Switzerland. (Cultural Matters Group)ORCID iD: 0000-0001-6194-1355
2012 (English)In: Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, E-ISSN 1475-7516, Vol. 1, article id 009Article in journal (Refereed) Published
Abstract [en]

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 ΛCDM. 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 and for detecting point sources and Galactic foregrounds.

Place, publisher, year, edition, pages
2012. Vol. 1, article id 009
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-337061DOI: 10.1088/1475-7516/2012/01/009OAI: oai:DiVA.org:uu-337061DiVA, id: diva2:1168266
Available from: 2017-12-20 Created: 2017-12-20 Last updated: 2018-01-18Bibliographically approved

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Publisher's full texthttp://stacks.iop.org/1475-7516/2012/i=01/a=009

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Michaud, Jérôme

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