Journal
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
Volume 128, Issue 965, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1538-3873/128/965/075001
Keywords
atmospheric effects; instrumentation: miscellaneous; site testing; submillimeter: general
Categories
Funding
- National Science Foundation [AST-0838261, AST-0431503]
- Programa de Astronomia, a program of the Comision Nacional de Investigacion Cientifica y Tecnologica de Chile (CONICYT)
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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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