The Argus Array Technology Demonstrator: rapid prototyping of core technologies for an all-sky multiplexed survey telescope

The Argus Array Technology Demonstrator: rapid prototyping of core technologies for an all-sky multiplexed survey telescope
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阿格斯阵列技术演示器:全天复用巡天望远镜核心技术的快速原型设计

DOI:
10.1117/12.2629489
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发表时间:
2022
期刊:
Ground-based and Airborne Telescopes IX
影响因子:
--
通讯作者:
Law, Nicholas M.
Law, Nicholas M.
中科院分区:
--
文献类型:
--
作者:
Corbett, Henry T.;Vasquez Soto, Alan;Machia, Lawrence;Galliher, Nathan W.;Gonzalez, Ramses;Walters, Glenn;Law, Nicholas M.

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Argus光学阵列是一种天气观测仪器,它将使用900架商用现成的望远镜来覆盖一个合成的全天视图,其总收集面积相当于一个5米望远镜。我们目前正在进行一个分阶段的开发过程,导致38个望远镜Argus探路者系统的建设,它将观察整个北方天空在−20◦< δ < 72◦每晚15分钟每个领域。Argus Pathfinder目前计划于2022年第三季度部署到位于北卡罗来纳州罗斯曼的Pisgah天文研究所。阿格斯阵列技术演示器(A2TD)是该系列原型仪器中的第一个,由9个望远镜组成,安装在跟踪平台上的玻璃纤维外壳中。A2TD是一种快速开发、测试和性能验证Argus阵列设计基本子系统的工具,包括定制开发的跟踪驱动器和极地对准系统、热环境控制、光学窗口和天文台控制。A2TD还用于对望远镜和相机对进行空中验证,并用于天文台自动化和控制软件的开发,这些软件可以直接转移或扩展到后期的开发阶段,包括阿格斯探路者。在本文中,我们介绍了Argus技术演示器的开发过程和设计,并重点介绍了该仪器在空中测试的早期结果。
The Argus Optical Array is a synoptic survey instrument that will use 900 commercial off-the-shelf telescopes to cover a composite all-sky of view with a total collecting area equivalent to a 5-meter telescope. We are currently carrying out a staged development process, leading up to the construction of the 38-telescope Argus Pathfinder system, which will observe the entire Northern sky between −20◦ < δ < 72◦ each night for 15 minutes per field. Argus Pathfinder is currently scheduled for a Q3 2022 deployment to the Pisgah Astronomical Research Institute in Rosman, NC. The Argus Array Technology Demonstrator (A2TD) is the first in this series of prototype instruments, and consists of 9-telescopes in a fiberglass enclosure on a tracking platform. The A2TD is a tool for rapid development, testing, and performance validation of the essential subsystems of the Argus Array design, including a custom-developed tracking drive and polar alignment system, thermal environment control, optical windows, and observatory control. The A2TD is also used for on-sky validation of telescope and camera pairs that have been bench-aligned, and for development of observatory automation and control software that are either directly transferable or scalable to later development stages, including the Argus Pathfinder. In this paper, we present the development process and design of the Argus Technology Demonstrator, and highlight early results from on-sky testing with the instrument.
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