北天极周围宇宙微波背景的高分辨率图图
天体物理学
2009-10-28 v2
摘要
我们给出以北天极为中心、直径为 15 度的盘状区域的宇宙微波背景（CMB）涨落的维尔滤波图。该图基于 1993-1995 年来自萨斯喀彼温（SK）实验的数据，在 27.6-44.1 GHz 频率范围内， angular 分辨率约为 1 度。图中的信噪比约为二，一些单个热点和冷点在 5 个西格玛水平上具有显著性。空间特征在年份之间保持一致，这强化了 SK 结果不受残余大气污染或其他非天体信号主导的结论。
引用
@article{arxiv.astro-ph/9608018,
title = {A high-resolution map of the cosmic microwave background around the north celestial pole},
author = {Max Tegmark and Angelica de Oliveira-Costa and Marc Devlin and Barth Netterfield and Lyman Page and Ed Wollack},
journal= {arXiv preprint arXiv:astro-ph/9608018},
year = {2009}
}
备注
Minor modifications to match published version. 12 pages, with 3 figures included. Extra color figures at http://www.sns.ias.edu/~max/saskmap.html (faster from the US), from http://www.mpa-garching.mpg.de/~max/saskmap.html (faster from Europe) or from [email protected]