SpecTel: A 10-12 meter class Spectroscopic Survey Telescope

R. Ellis, K. Dawson, J. Bland-Hawthorn, R. Bacon, A. Bolton, M. Bremer, J. Brinchmann, K. Bundy, C. Conroy, B. Delabre, A. Dey, A. Drlica-Wagner, J. Greene, L. Guzzo, Jennifer A. Johnson, A. Leauthaud, K. Lee, L. Pasquini, L. Pentericci, J. Richard, H. Rix, C. Rockosi, D. Schlegel, A. Slosar, M. Strauss, M. Takada, E. Tolstoy, D. Watson
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引用次数: 22

Abstract

We recommend a conceptual design study for a spectroscopic facility in the southern hemisphere comprising a large diameter telescope, fiber system, and spectrographs collectively optimized for massively-multiplexed spectroscopy. As a baseline, we propose an 11.4-meter aperture, optical spectroscopic survey telescope with a five square degree field of view. Using current technologies, the facility could be equipped with 15,000 robotically-controlled fibers feeding spectrographs over 360
SpecTel: 10-12米级光谱测量望远镜
我们建议对南半球的一个光谱设施进行概念设计研究,该设施包括一个大直径望远镜、光纤系统和为大规模多路复用光谱优化的光谱仪。作为基准,我们提出了一个11.4米口径、5平方度视场的光学光谱巡天望远镜。利用目前的技术,该设施可以配备15,000个机器人控制的光纤馈送光谱仪,波长超过360< λ <1330 nm,可选择高分辨率的光纤馈送光谱仪和单独聚焦的全景IFU。这将通过其访问来自盖亚、LSST、欧几里德和WFIRST的更大比例的物体的能力,实现转型进展,而不是任何目前资助或计划的光谱设施。一项由eso赞助的研究(arXiv:1701.01976)讨论了在银河系天文学、河外天文学和宇宙学中雄心勃勃的新光谱调查的科学潜力。美国社会应该与欧洲和其他国际社会建立联系,规划这样一个强大的设施,并最大限度地发挥大孔径多目标光谱的潜力,因为在深度成像调查上投入了大量资金。
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