Foreground contamination around the North Celestial Pole
Astrophysics
2007-05-23 v1
Abstract
We cross-correlate the Saskatoon Q-Band data with different spatial template maps to quantify possible foreground contamination. We detect a correlation with the Diffuse Infrared Background Experiment (DIRBE) 100 microm map, which we interpret as being due to Galactic free-free emission. Subtracting this foreground power reduces the Saskatoon normalization of the Cosmic Microwave Background (CMB) power spectrum by roughly 2%.
Keywords
Cite
@article{arxiv.astro-ph/9705090,
title = {Foreground contamination around the North Celestial Pole},
author = {Angelica de Oliveira-Costa and A. Kogut and Mark J. Devlin and C. Barth Netterfield and Lyman A. Page and Edward J. Wollack},
journal= {arXiv preprint arXiv:astro-ph/9705090},
year = {2007}
}
Comments
Proceedings from 18th Texas Symposium on Relativistic Astrophysics: Texas in Chicago. 3 pages, with 1 figure included. Color figure and links at http://www.sns.ias.edu/~angelica/foreground.html