38 citations · 120 across the 7 of their papers we have counts for
7 papers
Scale dependent non-Gaussianities in the CMB data identified with Minkowski Functionals and Scaling Indices
H. I. Modest, C. Räth, A. J. Banday +6
In order to test for non-Gaussianities with respect to scale-dependencies we use so-called surrogate maps, in which possible phase correlations of the Fourier phases of the origina…
Probing non-Gaussianities in the CMB on an incomplete sky using surrogates
G. Rossmanith, H. Modest, C. Räth +3
We demonstrate the feasibility to generate surrogates by Fourier-based methods for an incomplete data set. This is performed for the case of a CMB analysis, where astrophysical for…
Search for non-Gaussianities in the WMAP data with the Scaling Index Method
G. Rossmanith, H. Modest, C. Raeth +3
In the recent years, non-Gaussianity and statistical isotropy of the Cosmic Microwave Background (CMB) was investigated with various statistical measures, first and foremost by mea…
Scale-dependent non-Gaussianities in the WMAP data as identified by using surrogates and scaling indices
C. Raeth, A. J. Banday, G. Rossmanith +5
We present a model-independent investigation of the WMAP data with respect to scale- dependent non-Gaussianities (NGs) by employing the method of constrained randomization. For gen…
Probing non-Gaussianities on Large Scales in WMAP5 and WMAP7 Data using Surrogates
C. Raeth, G. Rossmanith, G. Morfill +2
Probing Gaussianity represents one of the key questions in modern cosmology, because it allows to discriminate between different models of inflation. We test for large-scale non-Ga…
Non-Gaussian Signatures in the five-year WMAP data as identified with isotropic scaling indices
G. Rossmanith, C. Raeth, A. J. Banday +1
We continue the analysis of non-Gaussianities in the CMB by means of the scaling index method (SIM, Raeth, Schuecker & Banday 2007) by applying this method on the 5-year WMAP data.…
A model-independent test for scale-dependent non-Gaussianities in the CMB
C. Raeth, G. Morfill, G. Rossmanith +2
We present a model-independent method to test for scale-dependent non-Gaussianities in combination with scaling indices as test statistics. Therefore, surrogate data sets are gener…