CUBES: cassegrain U-band Brazil-ESO spectrograph
CUBES: cassegrain U-band Brazil-ESO spectrograph
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CUBES：卡塞格伦 U 波段巴西 ESO 摄谱仪
DOI：
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
J. Vernet
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文献类型：
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作者：
B. Barbuy;V. Macanhan;P. Bristow;B. Castilho;H. Dekker;B. Delabre;M. Diaz;C. Gneiding;F. Kerber;H. Kuntschner;G. L. Mura;W. J. Maciel;J. Meléndez;L. Pasquini;C. Pereira;P. Petitjean;R. Reiss;C. Siqueira;R. Smiljanic;J. Vernet
CUBES 是一款高效、中等分辨率 (R∼20,000) 地面紫外 (300–400 nm) 摄谱仪，将于 2017/18 年安装在 ESO 的 VLT 单位望远镜之一的卡塞格伦焦点处。 CUBES 项目是 ESO 与 IAG/USP 以及 LNA/MCTI 的合资项目。 CUBES 将提供大量关于恒星以及河外来源的新的相关信息。主要科学案例包括对贫金属恒星中的铍和重元素的研究，通过研究紫外线范围内的分子带直接测定碳、氮和氧的丰度，以及对活跃星系核和类星体吸收线的研究。凭借精简的现代仪器设计、高效色散元件和紫外线敏感探测器，它将比现有的地面中高分辨率光谱仪显着提高灵敏度，从而大大增加天文学界可获得的样本量。我们在此介绍该项目的简要概述，包括现状、科学案例和设计选项的讨论。
CUBES is a high-efficiency, medium-resolution (R∼20,000) ground based UV (300–400 nm) spectrograph, to be installed in the cassegrain focus of one of ESO’s VLT unit telescopes in 2017/18. The CUBES project is a joint venture between ESO and IAG/USP, and LNA/MCTI. CUBES will provide access to a wealth of new and relevant information for stellar as well as extragalactic sources. Main science cases include the study of beryllium and heavy elements in metal-poor stars, the direct determination of carbon, nitrogen and oxygen abundances by study of molecular bands in the UV range, as well as the study of active galactic nuclei and the quasar absorption lines. With a streamlined modern instrument design, high efficiency dispersing elements and UV-sensitive detectors, it will give a significant gain in sensitivity over existing ground based medium-high resolution spectrographs, enabling vastly increased sample sizes accessible to the astronomical community. We present here a brief overview of the project including the status, science cases and a discussion of the design options.