BICEP2 与 Keck Array 运行概览及观测现状
天体物理仪器与方法
2015-06-11 v1 宇宙学与河外天体物理
摘要
BICEP2 和 Keck Array 实验旨在测量角尺度为 2-4 度（l=50-100）的宇宙微波背景（CMB）偏振。该区域正是宇宙暴胀的特征预言——B 模信号预期达到峰值之处。BICEP2 于 2009 年底部署至南极，目前正处于其第三年的观测期，配备 500 个对偏振敏感的 150 GHz 探测器。Keck Array 于 2010 年底部署至南极，最初包含三个接收机，每个均与 BICEP2 类似；2011-12 年夏季又增加了两个接收机。本文概述了这两项实验，报告了在部署后优化中两者灵敏度取得的显著提升，并展示了来自 BICEP2 的 CMB 偏振初步图。
引用
@article{arxiv.1208.0638,
title = {BICEP2 and Keck Array operational overview and status of observations},
author = {R. W. Ogburn and P. A. R. Ade and R. W. Aikin and M. Amiri and S. J. Benton and C. A. Bischoff and J. J. Bock and J. A. Bonetti and J. A. Brevik and E. Bullock and B. Burger and G. Davis and C. D. Dowell and L. Duband and J. P. Filippini and S. Fliescher and S. R. Golwala and M. Gordon and M. Halpern and M. Hasselfield and G. Hilton and V. V. Hristov and H. Hui and K. Irwin and J. P. Kaufman and B. G. Keating and S. A. Kernasovskiy and J. M. Kovac and C. L. Kuo and E. M. Leitch and M. Lueker and T. Montroy and C. B. Netterfield and H. T. Nguyen and R. O'Brient and A. Orlando and C. L. Pryke and C. Reintsema and S. Richter and J. E. Ruhl and M. C. Runyan and R. Schwarz and C. D. Sheehy and Z. K. Staniszewski and R. V. Sudiwala and G. P. Teply and K. Thompson and J. E. Tolan and A. D. Turner and A. G. Vieregg and D. V. Wiebe and P. Wilson and C. L. Wong},
journal= {arXiv preprint arXiv:1208.0638},
year = {2015}
}
备注
Presented at SPIE Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI, July 6, 2012. To be published in Proceedings of SPIE Volume 8452