CHIME Pathfinder阵列的全息波束映射
天体物理仪器与方法
2016-09-20 v1 宇宙学与河外天体物理
摘要
加拿大氢强度映射实验(CHIME) Pathfinder射电望远镜目前正在对北半球400至800 MHz频段进行巡天。通过绘制红移21 cm谱线发射在之间的中性氢大尺度结构，CHIME将有助于我们理解暗能量。明亮的天体物理前景必须与中性氢信号分离，这项任务需要精确表征偏振望远镜波束。利用DRAO John A. Galt 26米望远镜，我们开发了一种用于映射CHIME Pathfinder波束的全息仪器和技术。我们报告了该仪器的状态以及此项工作的初步结果。
引用
@article{arxiv.1607.01473,
title = {Holographic Beam Mapping of the CHIME Pathfinder Array},
author = {Philippe Berger and Laura B. Newburgh and Mandana Amiri and Kevin Bandura and Jean-Francois Cliche and Liam Connor and Meiling Deng and Nolan Denman and Matt Dobbs and Mateus Fandino and Adam J. Gilbert and Deborah Good and Mark Halpern and David Hanna and Adam D. Hincks and Gary Hinshaw and Carolin Hofer and Andre M. Johnson and Tom L. Landecker and Kiyoshi W. Masui and Juan Mena Parra and Niels Oppermann and Ue-Li Pen and Jeffrey B. Peterson and Andre Recnik and Timothy Robishaw and J. Richard Shaw and Seth Siegel and Kris Sigurdson and Kendrick Smith and Emilie Storer and Ian Tretyakov and Kwinten Van Gassen and Keith Vanderlinde and Donald Wiebe},
journal= {arXiv preprint arXiv:1607.01473},
year = {2016}
}
备注
16 pages, 9 figures. Submitted to Proc. SPIE, Astronomical Telescopes + Instrumentation (2016)