Methods for CMB map analysis
Cosmology and Nongalactic Astrophysics
2024-12-02 v2
Abstract
This introductory guide aims to provide insight to new researchers in the field of cosmic microwave background (CMB) map analysis on best practices for several common procedures. We will discuss common map-modifying procedures such as masking, downgrading resolution, the effect of the beam and the pixel window function, and adding white noise. We will explore how these modifications affect the final power spectrum measured from a map. This guide aims to describe the best way to perform each of these procedures, when the different steps and measures should be carried out, and the effects of incorrectly performing or applying any of them.
Keywords
Cite
@article{arxiv.2410.12951,
title = {Methods for CMB map analysis},
author = {Raelyn Marguerite Sullivan and Lukas Tobias Hergt and Douglas Scott},
journal= {arXiv preprint arXiv:2410.12951},
year = {2024}
}
Comments
15 pages, 11 figures, extensive changes from version 1