Polarized Foreground from Thermal Dust Emission
S. Prunet, A. Lazarian
TL;DR
This review summarizes current understanding of polarized thermal dust emission in our Galaxy, compares it to CMB signals, and discusses methods for removing dust contamination from CMB observations.
Contribution
It provides an overview of methods to estimate dust polarization statistics and strategies for contaminant removal in CMB data analysis.
Findings
Different methods to estimate dust polarization distribution
Comparison of dust emission to CMB polarized signal
Effective multi-frequency removal techniques for dust contamination
Abstract
In this review, we intend to present the current knowledge of the polarized emission from thermal dust in our Galaxy. We show different methods to estimate the spatial distribution statistics of this emission in the lack of any data from the diffuse ISM, and compare it to the expected CMB polarized signal. We finally show how this contaminant could be efficiently removed from CMB maps using multi-frequency observations.
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Taxonomy
TopicsInfrared Target Detection Methodologies