In Situ Performance of the Low Frequency Array for Advanced ACTPol

In Situ Performance of the Low Frequency Array for Advanced ACTPol
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先进 ACTPol 低频阵列的现场性能

DOI:
10.1109/tasc.2021.3063334
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发表时间:
2021
影响因子:
1.8
通讯作者:
Golec, Joseph E.
Golec, Joseph E.
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Li, Yaqiong;Austermann, Jason E.;Beall, James A.;Bruno, Sarah Marie;Choi, Steve K.;Cothard, Nicholas F.;Crowley, Kevin T.;Duff, Shannon M.;Ho, Shuay-Pwu Patty;Golec, Joseph E.

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先进阿塔卡马宇宙学望远镜偏振计(AdvACT)[1]是阿塔卡马宇宙学望远镜的升级版,使用过渡边缘传感器(TES)探测器阵列测量宇宙微波背景(CMB)温度和多个频率的偏振各向异性。低频(LF)阵列于2020年初部署。它由292个TES测辐射热计组成,在以27 GHz和39 GHz为中心的两个波段进行观测。在这些频率下,它对来自银河系和CMB的同步辐射敏感,并补充了在90,150和230 GHz下运行的AdvACT阵列。我们提出了初步的LF阵列现场表征,包括时间常数,光学效率和阵列灵敏度。
The Advanced Atacama Cosmology Telescope Polarimeter (AdvACT) [1] is an upgrade for the Atacama Cosmology Telescope using Transition Edge Sensor (TES) detector arrays to measure cosmic microwave background (CMB) temperature and polarization anisotropies in multiple frequencies. The low frequency (LF) array was deployed early 2020. It consists of 292 TES bolometers observing in two bands centered at 27 GHz and 39 GHz. At these frequencies, it is sensitive to synchrotron radiation from our galaxy as well as to the CMB, and complements the AdvACT arrays operating at 90, 150 and 230 GHz. We present the initial LF array on-site characterization, including the time constant, optical efficiency and array sensitivity.
高度均匀的 150 毫米直径多色旋光计阵列用于 CMB 检测
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发表时间: 2016
期刊: Proceedings of SPIE
影响因子: --
作者:
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先进的 ACTPol 27/39 GHz 阵列
DOI: --
发表时间: 2018
期刊:
影响因子: --
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