发表机构
University of British Columbia; Johns Hopkins University; National Research Council Canada; NASA Goddard Space Flight Center（不列颠哥伦比亚大学; 约翰斯·霍普金斯大学; 加拿大国家研究委员会; 美国国家航空航天局戈达德太空飞行中心）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
CGEM是一台4米单碟射电望远镜，旨在北天区8-10 GHz频段测绘偏振银河同步辐射，为CMB B模式前景清洁提供模板，将展示其部件性能及调试测绘图。
AI 中文摘要
加拿大银河辐射测绘仪（CGEM）是一台位于加拿大彭蒂克顿自治领射电天体物理观测站（DRAO）的4米单碟射电望远镜，旨在8-10 GHz频段、1 MHz频率分辨率和0.5度角分辨率下测绘整个北天区的偏振银河同步辐射。其目标是在同步辐射占主导的频段获取高保真、低噪声的偏振银河同步辐射图，为宇宙微波背景（CMB）B模式前景清洁提供可靠模板。我们将展示CGEM单像素轴对称望远镜、相干双极化辐射计的在轨性能，以及运行头几个月调试数据生成的测绘图。
英文摘要
The Canadian Galactic Emission Mapper (CGEM) is a 4-meter single-dish radio telescope located at the Dominion Radio Astrophysical Observatory (DRAO) in Penticton, Canada. CGEM is designed to map polarized Galactic synchrotron emission across the entire northern sky at 8-10 GHz with 1 MHz frequency resolution and 0.5 degree angular resolution. Its goal is to obtain high-fidelity, low-noise maps of polarized Galactic synchrotron radiation, at frequencies where synchrotron dominates, in order to provide a reliable template for CMB B-mode foreground cleaning. We will show on sky performance of CGEM's single-pixel azimuthally-symmetric telescope, its coherent, dual-polarized radiometer, and show maps made from commissioning data from the first few months of operation.
Commentssubmitted to Proc. SPIE
