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Planck 2015 results. V. LFI calibration
Planck Collaboration, P. A. R. Ade, N. Aghanim +206
We present a description of the pipeline used to calibrate the Planck Low Frequency Instrument (LFI) timelines into thermodynamic temperatures for the Planck 2015 data release, cov…
Planck 2015 results. VII. HFI TOI and beam processing
Planck Collaboration, R. Adam, P. A. R. Ade +225
The Planck High Frequency Instrument (HFI) has observed the full sky at six frequencies (100, 143, 217, 353, 545, and 857 GHz) in intensity and at four frequencies in linear polari…
Planck 2015 results. II. Low Frequency Instrument data processing
Planck Collaboration, P. A. R. Ade, N. Aghanim +213
We present an updated description of the Planck Low Frequency Instrument (LFI) data processing pipeline, associated with the 2015 data release. We point out the places where our re…
Compressed convolution
F. Elsner, B. D. Wandelt
We introduce the concept of compressed convolution, a technique to convolve a given data set with a large number of non-orthogonal kernels. In typical applications our technique dr…
Accelerating convolutions on the sphere with hybrid GPU/CPU kernel splitting
P. M. Sutter, Benjamin D. Wandelt, Franz Elsner
We present a general method for accelerating by more than an order of magnitude the convolution of pixelated function on the sphere with a radially-symmetric kernel. Our method spl…
ARKCoS: Artifact-Suppressed Accelerated Radial Kernel Convolution on the Sphere
Franz Elsner, Benjamin D. Wandelt
We describe a hybrid Fourier/direct space convolution algorithm for compact radial (azimuthally symmetric) kernels on the sphere. For high resolution maps covering a large fraction…