期刊
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
卷 128, 期 965, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1538-3873/128/965/075001
关键词
atmospheric effects; instrumentation: miscellaneous; site testing; submillimeter: general
资金
- National Science Foundation [AST-0838261, AST-0431503]
- Programa de Astronomia, a program of the Comision Nacional de Investigacion Cientifica y Tecnologica de Chile (CONICYT)
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 mu 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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