Design requirements for the Wide-field Infrared Transient Explorer (WINTER)

Design requirements for the Wide-field Infrared Transient Explorer (WINTER)
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广域红外瞬态探测器(冬季)的设计要求

DOI:
10.1117/12.2562842
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发表时间:
2020
期刊:
Ground-based and Airborne Instrumentation for Astronomy VIII
影响因子:
--
通讯作者:
Kasliwal, Mansi M.
Kasliwal, Mansi M.
中科院分区:
--
文献类型:
--
作者:
Frostig, Danielle;Baker, John W.;Brown, Joshua;Burruss, Rick;Clark, Kristin;Furész, Gábor;Ganciu, Nicolae;Hinrichsen, Erik;Karambelkar, Viraj R.;Kasliwal, Mansi M.

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Wide-field Infrared Transient Explorer(WINTER)是一款1x 1度的红外巡天望远镜,由麻省理工学院和加州理工学院开发,计划于2021年在帕洛玛天文台投入使用。WINTER是一个视限红外时域巡天,有两个主要的科学目标:(1)发现来自双中子星星合并的红外千新星和r过程材料;(2)研究一般的红外瞬变,包括超新星、潮汐破裂事件和围绕低质量恒星的凌日系外行星。我们计划通过天体物理研究相对较新的技术来实现这些科学目标:混合InGaAs传感器作为传统但昂贵的HgCdTe阵列和IR优化的1米COTS望远镜的替代品。为了降低风险,优化开发工作,并确保WINTER符合其科学目标,我们使用了航空航天工程项目中常见的基于模型的系统工程(MBSE)技术。即使地面仪器项目越来越复杂,他们往往没有全职系统工程师的预算。我们提出了一个系统工程的地面WINTER项目的例子,具有软件工具,让学生或工作人员学习MBSE的基础知识,并捕捉在一个正式的软件界面的结果。我们专注于顶级的科学要求,并详细介绍了探测千新星的目标如何流向WINTER的光学设计。特别是,我们讨论了新的方法,公差模拟,消除杂散光,并最大限度地提高图像质量的蝇眼设计,切片望远镜的重点到6个非对接,红外探测器。我们还包括一个机器人望远镜的安全约束的讨论。
The Wide-field Infrared Transient Explorer (WINTER) is a 1x1 degree infrared survey telescope under devel- opment at MIT and Caltech, and slated for commissioning at Palomar Observatory in 2021. WINTER is a seeing-limited infrared time-domain survey and has two main science goals: (1) the discovery of IR kilonovae and r-process materials from binary neutron star mergers and (2) the study of general IR transients, including supernovae, tidal disruption events, and transiting exoplanets around low mass stars. We plan to meet these science goals with technologies that are relatively new to astrophysical research: hybridized InGaAs sensors as an alternative to traditional, but expensive, HgCdTe arrays and an IR-optimized 1-meter COTS telescope. To mitigate risk, optimize development efforts, and ensure that WINTER meets its science objectives, we use model-based systems engineering (MBSE) techniques commonly featured in aerospace engineering projects. Even as ground-based instrumentation projects grow in complexity, they do not often have the budget for a full-time systems engineer. We present one example of systems engineering for the ground-based WINTER project, featuring software tools that allow students or staff to learn the fundamentals of MBSE and capture the results in a formalized software interface. We focus on the top-level science requirements with a detailed example of how the goal of detecting kilonovae flows down to WINTER’s optical design. In particular, we discuss new methods for tolerance simulations, eliminating stray light, and maximizing image quality of a fly’s-eye design that slices the telescope’s focus onto 6 non-buttable, IR detectors. We also include a discussion of safety constraints for a robotic telescope.
双子座天文台对莫纳克亚火山气辉的测量
DOI: --
发表时间: 2016
期刊: Astronomical Telescopes + Instrumentation
影响因子: --
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DOI: 10.1117/12.2561228
发表时间: 2020
期刊: and Infrared Detectors for Astronomy IX
影响因子: --
作者:
Malonis, Andrew;Lourie, Nathan;Furész, Gábor;Frostig, Danielle;Hinrichsen, Erik;Simcoe, Robert A.
通讯作者: Simcoe, Robert A.
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DOI: --
发表时间: 2014
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