6k citations · 13.1k across the 109 of their papers we have counts for
11 papers · 1 filter
Dark matter halo merger and accretion probabilities in the excursion set formalism
Esfandiar Alizadeh, Benjamin Wandelt
The merger and accretion probabilities of dark matter halos have so far only been calculated for an infinitesimal time interval. This means that a Monte-Carlo simulation with very…
Rico: An Accurate Cosmological Recombination Code
W. A. Fendt, J. Chluba, J. A. Rubino-Martin +1
We present Rico, a code designed to compute the ionization fraction of the Universe during the epoch of hydrogen and helium recombination with an unprecedented combination of speed…
Making Maps from Planck LFI 30GHz Data with Asymmetric Beams and Cooler Noise
M. A. J. Ashdown, C. Baccigalupi, J. G. Bartlett +21
The Planck satellite will observe the full sky at nine frequencies from 30 to 857 GHz. The goal of this paper is to examine the effects of four realistic instrument systematics in…
Bayesian analysis of the low-resolution polarized 3-year WMAP sky maps
H. K. Eriksen, Greg Huey, A. J. Banday +4
We apply a previously developed Gibbs sampling framework to the foreground corrected 3-yr WMAP polarization data and compute the power spectrum and residual foreground template amp…
Making Maps from Planck LFI 30GHz Data
M. A. J. Ashdown, C. Baccigalupi, A. Balbi +16
This paper is one of a series describing the performance and accuracy of map-making codes as assessed by the Planck CTP working group. We compare the performance of multiple codes…
Making sky maps from Planck data
M. A. J. Ashdown, C. Baccigalupi, A. Balbi +15
We compare the performance of multiple codes written by different groups for making polarized maps from Planck-sized, all-sky cosmic microwave background (CMB) data. Three of the c…
Optimal Image Reconstruction in Radio Interferometry
Edmund C. Sutton, Benjamin D. Wandelt
We introduce a method for analyzing radio interferometry data which produces maps which are optimal in the Bayesian sense of maximum posterior probability density, given certain pr…
HEALPix -- a Framework for High Resolution Discretization, and Fast Analysis of Data Distributed on the Sphere
K. M. Gorski, E. Hivon, A. J. Banday +4
HEALPix -- the Hierarchical Equal Area iso-Latitude Pixelization -- is a versatile data structure with an associated library of computational algorithms and visualization software…
Measuring primordial non-Gaussianity in the cosmic microwave background
Eiichiro Komatsu, David N. Spergel, Benjamin D. Wandelt
We derive a fast way for measuring primordial non-Gaussianity in a nearly full-sky map of the cosmic microwave background. We find a cubic combination of sky maps combining bispect…
All-sky convolution for polarimetry experiments
Anthony Challinor, Pablo Fosalba, Daniel Mortlock +3
We discuss all-sky convolution of the instrument beam with the sky signal in polarimetry experiments, such as the Planck mission which will map the temperature anisotropy and polar…
The HEALPix Primer
Krzysztof M. Gorski, Benjamin D. Wandelt, Frode K. Hansen +2
HEALPix is a Hierarchical, Equal Area, and iso-Latitude Pixelisation of the sphere designed to support efficiently - local operations on the pixel set, - a hierarchical tree struct…