An automated all-sky atmospheric monitoring camera for a next-generation ultrahigh-energy cosmic-ray observatory
An automated all-sky atmospheric monitoring camera for a next-generation ultrahigh-energy cosmic-ray observatory
复制标题
用于下一代超高能宇宙射线天文台的自动化全天大气监测相机
DOI：
10.1088/1748-0221/15/10/t10009
复制
发表时间：
2020
影响因子：
1.3
通讯作者：
Travn
中科院分区：
文献类型：
--
作者：
Chytka L.;Mandat D.;Albury J.;Bellido J.A.;Farmerh J.;Fujii T.;Hamal P.;Horvath P.;Hrabovsky M.;Kvita J.;Malacari M.;Mastrodicasa M.;Matthews J.N.;Michal S.;Ni X.;Nozka L.;Palatka M.;Pech M.;Privitera P.;Schovanek P.;Salamida F.;Smida R.;Thomas S.B.;Travn
我们开发了一种全自动仪器（FASCam-Fast全天空相机），旨在为拟议的下一代高能宇宙射线观测站（称为单像素望远镜荧光探测器阵列（FAST））捕获夜间全天空图像并分析云量和粗糙大气特性。FASCam具有360× 90 o（方位角和仰角）的视场，并配备了一系列光度测量Johnson-Reinins滤光片（BVR）和紫外线（UV）滤光片。该相机安装在位于美国犹他州中部的三座FAST原型望远镜建筑之一的顶部。对图像的在线分析提供了真实的时间云层覆盖图和大气消光的粗略测量结果，以及FAST荧光望远镜视场中的夜空背景估计。结果作为望远镜操作的输入参数，避免了在云层覆盖望远镜视场、大气消光系数高或夜空背景高的情况下采集不必要的数据。
We have developed a fully-automated instrument (FASCam—Fast All Sky Camera) designed to capture night all-sky images and analyse cloudiness and coarse atmospheric properties for a proposed next-generation ultrahigh energy cosmic ray observatory, called the Fluorescence detector Array of Single-pixel Telescopes (FAST). FASCam has a 360× 90 o (azimuth and elevation) field of view and is equipped with a series of photometric Johnson-Cousins filters (BVR) and an Ultra-violet (UV) filter. The camera is installed on the top of one of the three FAST prototype telescope buildings located in central Utah, USA. An online analysis of the images provides real time cloud coverage maps and coarse atmospheric extinction measurements and a night sky background estimate in the field of view of the FAST fluorescence telescopes. The result serves as an input parameter for the operation of the telescopes and avoids unnecessary data taking in the case of clouds covering the field of view of the telescopes, high atmospheric extinction, or high night sky background.