A Fast and Accurate Algorithm for Spherical Harmonic Analysis on HEALPix Grids with Applications to the Cosmic Microwave Background Radiation

The Hierarchical Equal Area isoLatitude Pixelation (HEALPix) scheme is used extensively in astrophysics for data collection and analysis on the sphere. The scheme was originally designed for studying the Cosmic Microwave Background (CMB) radiation, which represents the first light to travel during t...

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Veröffentlicht in:	arXiv.org 2020-05
Hauptverfasser:	Drake, Kathryn P, Wright, Grady B
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Background radiation Big bang cosmology Big Bang theory Computation Computer Science - Numerical Analysis Cosmic microwave background Dark energy Dark matter Fast Fourier transformations Fourier analysis Fourier transforms Harmonic analysis Mathematics - Numerical Analysis Physics - Computational Physics Physics - Cosmology and Nongalactic Astrophysics Relic radiation Spherical harmonics Universe
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