POKER: Estimating the power spectrum of diffuse emission with complex masks and at high angular resolution

Details POKER: Estimating the power spectrum of diffuse emission with complex masks and at high angular resolution POKER: Estimating the power spectrum of diffuse emission with complex masks and at high angular resolution

2011-11-03

arxiv.org/abs/1111.0766v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Astronomy and Astrophysics, in press

Scientific paper

10.1051/0004-6361/201117098

We describe the implementation of an angular power spectrum estimator in the flat sky approximation. POKER (P. Of k EstimatoR) is based on the MASTER algorithm developped by Hivon and collaborators in the context of CMB anisotropy. It works entirely in discrete space and can be applied to arbitrary high angular resolution maps. It is therefore particularly suitable for current and future infrared to sub-mm observations of diffuse emission, whether Galactic or cosmological.

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