Non-Gaussianity of peak statistics in contrasting spots of WMAP ILC

Details Non-Gaussianity of peak statistics in contrasting spots of WMAP ILC Non-Gaussianity of peak statistics in contrasting spots of WMAP ILC

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011astbu..66..407v&link_type=abstract

Astrophysical Bulletin, Volume 66, Issue 4, pp.407-415

Statistics

1

Cosmology: Cosmic Background Radiation Surveys

Scientific paper

We study the statistics of isolated maxima and minima in the regions of
three contrasting spots in the WMAP7 ILC data. A non-Gaussianity of
signal distribution is detected in these regions. We demonstrate that
non-Gaussian properties are related to the appearance of low harmonics (
ℓ ≤20). Possible reasons of this non-Gaussianity are discussed.

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