Preliminary Design of the Cerro Chajnantor Atacama (CCAT) and its Enclosure

Cerro Chajnantor Atacama望远镜（CCAT）计划作为一个25米望远镜，在毫米至短亚毫米波长上运行，位于智利北方靠近阿塔卡马大型毫米/亚毫米阵列（阿尔马）的位置。在18,500英尺的高度，望远镜将利用异常干燥的空气进行高频观测。包含先进探测器阵列的仪器将利用望远镜的大视场来测量广阔的天空，以探测大量的高红移星系，对附近的星系和分子云进行成像，并发现和研究太阳系天体。CCAT在国家科学院被称为？Astro 2010十年期调查是该十年期最优先的中等规模项目。该中心将是一个公私伙伴关系，康奈尔大学、加州理工学院、科罗拉多大学、加拿大大学联合会、德国波恩大学和科隆大学以及其他可能的国内外伙伴将提供大量机构和私人投资。Astro 2010估计CCAT的总建设成本为1.4亿美元（联邦投资3700万美元），年运营成本为1100万美元（联邦投资750万美元）。该项目利用机构和私人资金为CCAT制定了概念设计。通过该奖项提供的资金将望远镜及其外壳的设计和开发推进到施工准备水平。CCAT合作伙伴打算提供持续的机构贡献，以使项目的所有其他要素达到可比的设计成熟度水平。

The Cerro Chajnantor Atacama Telescope (CCAT) is planned as a 25-meter telescope operating at millimeter to short sub-millimeter wavelengths and located in northern Chile close to the site of the Atacama Large Millimeter/submillimeter Array (ALMA). At an elevation of 18,500 feet the telescope would take advantage of the exceptionally dry air for high frequency observations. Instrumentation containing advanced detector arrays would exploit the telescope's large field of view for surveying wide areas of sky to detect an abundance of high redshift galaxies, to image nearby galaxies and molecular clouds and to discover and study Solar System bodies. CCAT was called out in the National Academies? Astro2010 Decadal Survey as the highest priority medium-scale project for the decade. CCAT would be a public-private partnership with significant institutional and private investments from Cornell University, the California Institute of Technology, the University of Colorado, a consortium of Canadian universities, the German universities of Bonn and Cologne and potentially other domestic and foreign partners. Astro2010 estimated the total construction cost of CCAT to be $140 million ($37 million as the Federal investment) and annual operating costs of $11 million ($7.5 million Federal). The project has developed a conceptual design for CCAT using institutional and private funds. Funding through this award advances the design and development of the telescope and its enclosure to the level of construction readiness. The CCAT partners intend to provide ongoing institutional contributions to move all other elements of the project to a comparable level of design maturity.