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Results of the ESA internal assessment study of the European contribution to SPICA

机译:ESA内部评估研究对欧洲对SPICA的贡献的结果

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SPICA (SPace Infrared telescope for Cosmology and Astrophysics) was selected for study as a mission of opportunity within the science programme Cosmic Vision 2015-2025 of the European Space Agency, with a planned launch in 2017. Observing in the 5-210 micron waveband, one of its major goals is the discovery of the origins of planets and galaxies. ESA's contribution is the provision of the SPICA Telescope Assembly (STA) featuring a 3.5 m primary mirror cooled to < 5K, and instrument engineering and management of a nationally funded European FIR instrument (SAFARI) as part of SPICA's payload. SAFARI is an imaging spectrometer operating at 30-210 micron, baselined as a Mach-Zehnder (MZ) Fourier Transform Spectrometer (FTS). An internal ESA study has been carried out to address the specific challenges associated in particular with STA and SAFARI, taking into account resource margins and interface specifications driven by the overall spacecraft design. This paper provides a summary of the preliminary results achieved during this study.
机译:SPICA(用于宇宙学和天体物理学的太空红外望远镜)被选为欧洲航天局“ 2015-2025年宇宙视觉”科学计划的一项机会任务,并计划于2017年发射。在5-210微米波段进行观测,它的主要目标之一是发现行星和星系的起源。 ESA的贡献是提供了SPICA望远镜组件(STA),该组件具有3.5 m的主镜,冷却至<5K,并作为SPICA载荷的一部分进行了仪器工程和国家资助的欧洲FIR仪器(SAFARI)的管理。 SAFARI是一种成像光谱仪,工作于30-210微米,基线为马赫曾德尔(MZ)傅里叶变换光谱仪(FTS)。为了解决特别是与STA和SAFARI相关的特定挑战,已经进行了内部ESA研究,同时考虑了整个航天器设计所驱动的资源裕度和接口规范。本文提供了在此研究过程中获得的初步结果的摘要。

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