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arXiv 1708.03561astro-ph.IM
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ESO光谱设备

The ESO Spectroscopic facility

Luca Pasquini, B. Delabre, R. S. Ellis, J. Marrero, L. Cavaller, Tim de Zeeuw

摘要:

我们提出了一个新的设施,致力于多路复用光谱的概念。该望远镜有一个非常宽的领域卡塞格伦焦点优化纤维饲料。它的视场直径为2.5度,瞳孔为11.4米,将成为最大的光学扩展量望远镜。大型焦平面可轻松容纳多达16,000根光纤。此外,中心10弧分的重力不变焦点可用于托管巨型积分场单元(IFU)。3透镜校正器包括ADC,并且在360-1300 nm波长范围内具有良好的性能。最高级别的科学要求是由一个专门的ESO工作组制定的,主要案例之一是GAIA恒星的高分辨率光谱学,以及我们的银河系如何形成和演变。因此,该设施将配备高分辨率和低分辨率光谱仪。我们强调同时开发望远镜和仪器设计的重要性。最相关的R\&D方面也简要讨论。

英文摘要:

We present the concept of a novel facility dedicated to massively-multiplexed spectroscopy. The telescope has a very wide field Cassegrain focus optimised for fibre feeding. With a Field of View (FoV) of 2.5 degrees diameter and a 11.4m pupil, it will be the largest etendue telescope. The large focal plane can easily host up to 16.000 fibres. In addition, a gravity invariant focus for the central 10 arc-minutes is available to host a giant integral field unit (IFU). The 3 lenses corrector includes an ADC, and has good performance in the 360-1300 nm wavelength range. The top level science requirements were developed by a dedicated ESO working group, and one of the primary cases is high resolution spectroscopy of GAIA stars and, in general, how our Galaxy formed and evolves. The facility will therefore be equipped with both, high and low resolution spectrographs. We stress the importance of developing the telescope and instrument designs simultaneously. The most relevant R\&D aspect is also briefly discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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