在Maunakea、South Pole和Chajnantor的亚毫米大气透明度
Submillimeter Atmospheric Transparency at Maunakea, at the South Pole, and at Chajnantor
摘要：
为了系统地评估不同站点的亚毫米波观测条件，我们建造了倾斜辐射计来测量350 $μ$ m波长附近窗口的宽带大气透明度。这些自卸车被部署在夏威夷的Maunakea，南极和智利北部的Cerro Chajnantor附近。相同的仪器允许直接比较这些网站。南极和Chajnantor地区的观测条件比Maunakea更好。同时测量两个小费证明条件在山顶的Chajnantor明显优于Chajnantor高原。
英文摘要：
For a systematic assessment of submillimeter observing conditions at different sites, we constructed tipping radiometers to measure the broad band atmospheric transparency in the window around 350 $μ$m wavelength. The tippers were deployed on Maunakea, Hawaii, at the South Pole, and in the vicinity of Cerro Chajnantor in northern Chile. Identical instruments permit direct comparison of these sites. Observing conditions at the South Pole and in the Chajnantor area are better than on Maunakea. Simultaneous measurements with two tippers demonstrate conditions at the summit of Cerro Chajnantor are significantly better than on the Chajnantor plateau.
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