20200721 The CHIME telescope probing of Dark Energ
学 术 报 告 报告题目 The CHIME telescope: probing of Dark Energy, Fast Radio Bursts and the Gravitational Wave Background Picture
无 报告时间 2020年7月21日上午10点 报告地点 东七楼427会议室
网上地址为腾讯会议ID：469 122 896 报告人 邓美玲 博士 报告人单位 加拿大perimeter institute 邀请人 吴庆文 教授 报告内容
摘要 As a wideband, large-field-of-view radio telescope, the Canadian Hydrogen Intensity Mapping Experiment (CHIME) is a revolutionary new telescope designed to provide answers to three major questions in cosmology and astrophysics. They are probing the nature of Dark Energy based on the 21cm intensity mapping technique, detecting large number of Fast Radio Bursts to understand their mysterious origin and pulsar timing to measure the Gravitational Wave Background. In this talk, I will briefly present the CHIME telescope and the work I have done for it. My work mainly consists of three parts: the design of the wideband, dual-polarized antenna array; the simulation and calibration of the CHIME beam; the wideband mapping of the north celestial cap. The north celestial cap mapping is a pathfinder to map the whole northern hemisphere to help remove the strong galactic foreground contamination for CHIME’s Dark Energy probing. It will also provide critical data for galactic science, such as the galaxy’s wideband spectrum and the galactic magnetic field distribution. 报告人
简介 邓美玲，今年开始在加拿大perimeter institute博士后，之前为英属哥伦比亚大学（UBC)的天文系硕士和物理系博士。主要研究方向为实验宇宙学和射电天文学。2012华科物理学院本科毕业。 参会人员 全体师生
