PGMS：研究银河系平面外的银河系磁性
PGMS: to study the Galactic magnetism out of the Galactic plane
摘要：
帕克斯银河子午线巡天（PGMS）是一个5度X 90度的条带，用于绘制从银河平面到银河南极的银河子午线上的偏振同步辐射。该调查是在帕克斯射电望远镜在2.3 GHz的频率与30个相邻的8 MHz频段，使法拉第旋转研究。科学目标是双重的：（1）探测银河系平面外的银河系磁场，这是迄今为止所知甚少的。（2）研究同步辐射作为宇宙微波背景极化的前景噪声，特别是携带暴胀留下的原始引力波背景信号的弱B模。PGMS观测最近已经结束。在这方面的贡献，我们提出的调查，随着第一结果。
英文摘要：
The Parkes Galactic Meridian Survey (PGMS) is a 5 deg X 90 deg strip to map the polarized synchrotron emission along a Galactic meridian from the Galactic plane down to the south Galactic pole. The survey is carried out at the Parkes radio telescope at a frequency of 2.3 GHz with 30 adjacent 8-MHz bands which enable Faraday Rotation studies. The scientific goal is twofold: (1) To probe the Galactic magnetism off the Galactic plane of which little is known so far. PGMS gives an insight into the Galactic magnetic field in the thick disc, halo, and disc-halo transition; (2) To study the synchrotron emission as foreground noise of the CMB Polarization, especially for the weak B-Mode which carries the signature of the primordial gravitational wave background left by the Inflation. PGMS observations have been recently concluded. In this contribution we present the survey along with first results.
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