The Solar EruptioN Integral Field Spectrograph

IF 2.7 3区物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS

Solar Physics Pub Date : 2024-08-30 DOI:10.1007/s11207-024-02367-y

Vicki L. Herde, Phillip C. Chamberlin, Don Schmit, Adrian Daw, Ryan O. Milligan, Vanessa Polito, Souvik Bose, Spencer Boyajian, Paris Buedel, Will Edgar, Alex Gebben, Qian Gong, Ross Jacobsen, Nicholas Nell, Bennet Schwab, Alan Sims, David Summers, Zachary Turner, Trace Valade, Joseph Wallace

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Abstract

The Solar eruptioN Integral Field Spectrograph (SNIFS) is a solar-gazing spectrograph scheduled to fly in the summer of 2025 on a NASA sounding rocket. Its goal is to view the solar chromosphere and transition region at a high cadence (1 s) both spatially (\(0.5''\)) and spectrally (33 mÅ) viewing wavelengths around Lyman alpha (1216 Å), Si iii (1206 Å), and O v (1218 Å) to observe spicules, nanoflares, and possibly a solar flare. This time cadence will provide yet-unobserved detail about fast-changing features of the Sun. The instrument is comprised of a Gregorian-style reflecting telescope combined with a spectrograph via a specialized mirrorlet array that focuses the light from each spatial location in the image so that it may be spectrally dispersed without overlap from neighboring locations. This paper discusses the driving science, detailed instrument and subsystem design, and preintegration testing of the SNIFS instrument.

Abstract Image

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太阳爆发积分场摄谱仪。

太阳爆发积分场摄谱仪（SNIFS）是一个太阳观测摄谱仪，计划于 2025 年夏季在美国宇航局探空火箭上飞行。它的目标是在空间（0.5 ″）和光谱（33 米奥）上以高频率（1 秒）观测太阳色球层和过渡区，观察莱曼α（1216 米奥）、Si iii（1206 米奥）和 O v（1218 米奥）附近的波长，以观测尖晶石、纳米耀斑和可能的太阳耀斑。这种时间节奏将提供尚未观测到的有关太阳快速变化特征的细节。该仪器由一个格里高利式反射望远镜和一个分光仪组成，分光仪通过一个专门的小镜阵列聚焦图像中每个空间位置的光线，使其在光谱上分散而不会与相邻位置的光线重叠。本文讨论了 SNIFS 仪器的驱动科学、详细的仪器和子系统设计以及集成前测试。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Solar Physics 地学天文-天文与天体物理

CiteScore

5.10

自引率

17.90%

发文量

146

审稿时长

1 months

期刊介绍： Solar Physics was founded in 1967 and is the principal journal for the publication of the results of fundamental research on the Sun. The journal treats all aspects of solar physics, ranging from the internal structure of the Sun and its evolution to the outer corona and solar wind in interplanetary space. Papers on solar-terrestrial physics and on stellar research are also published when their results have a direct bearing on our understanding of the Sun.