CUBESPEC: Stellar spectroscopy on a CubeSat platform

Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave Pub Date : 2020-12-13 DOI:10.1117/12.2562121

B. Vandenbussche, G. Raskin, H. Sana, T. Delabie, B. Vandoren, P. Royer, W. D. Munter, Dominik Bowman, A. Tkachenko, O. Bhat, Jan Goris, Olivier Verhamme, Warre Verheyden, D. Vandepitte, J. D. Maeyer, F. Heylen, Maarten Kempenaers, Ries Vanderperren, J. Lanting, V. Moreau, E. Renotte, L. Ghizoni, Jacob Mølbach Nissen, A. Verhoeven

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Abstract

CUBESPEC is an ESA in-orbit demonstration 6U CubeSat mission, currently in phase A/B. CUBESPEC will deliver months long series of high-resolution spectroscopy to study the structure of massive stars. The payload consists of a Cassegrain telescope with a rectangular primary mirror of 9 x 19 cm2 and a compact high-resolution echelle spectrograph. We aim at a 2023 launch demonstrating the CUBESPEC concept: providing the astronomical community with a generic solution for affordable space-based spectroscopy. The spectrograph design can be configured with minimal hardware changes for low spectral resolution (R = 50) up to high resolution (R ~ 50000) over a over wavelength ranges between 200–1000nm. CUBESPEC will use the KU Leuven ADCS for coarse pointing of the spacecraft, supplemented with a fine-guidance system using a fast steering mirror to center the source on the spectrograph slit. We present the CUBESPEC design and mission analysis, and give an update of the project status.

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CUBESPEC:在立方体卫星平台上的恒星光谱

CUBESPEC是ESA的在轨演示6U立方体卫星任务，目前处于A/B阶段。CUBESPEC将提供长达数月的一系列高分辨率光谱来研究大质量恒星的结构。有效载荷包括一个9 x 19 cm2矩形主镜的卡塞格伦望远镜和一个紧凑的高分辨率梯队光谱仪。我们的目标是2023年的发射，展示CUBESPEC的概念:为天文学界提供可负担得起的天基光谱的通用解决方案。该光谱仪的设计可以配置为最小的硬件变化，从低光谱分辨率(R = 50)到高分辨率(R ~ 50000)，波长范围在200-1000nm之间。CUBESPEC将使用KU Leuven ADCS对航天器进行粗指向，并辅以精细制导系统，使用快速转向镜将光源置于摄谱仪狭缝的中心。我们介绍了CUBESPEC的设计和任务分析，并给出了项目的最新进展。

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Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave

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