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Simulation of non-Gaussian CMB maps

Abstract:

A simple method is presented for the rapid simulation of statistically-isotropic non-Gaussian maps of CMB temperature fluctuations with a given power spectrum and analytically-calculable bispectrum and higher-order polyspectra. The $n$th-order correlators of the pixel values may also be calculated analytically. The cumulants of the simulated map may be used to obtain an expression for the probability density function of the pixel temperatures. The statistical properties of the simulated map a...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Volume:
357
Issue:
1
Pages:
1-11
Publication date:
2004-06-05
DOI:
ISSN:
0035-8711
Keywords:
Pubs id:
pubs:27440
UUID:
uuid:09f4a5cc-0e99-4854-b317-4798d9ee1e4a
Local pid:
pubs:27440
Source identifiers:
27440
Deposit date:
2012-12-19

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