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The Chajnantor Observatory is on a high, dry site to ensure that atmospheric brightness fluctuations do not limit the sensitivity of the instrument. The facility is located at longitude 67°46' W, latitude 23°02' S. This is at an altitude of 5080 m about 40 km east of San Pedro de Atacama in Chile. The site on the 10-km plateau of Llano de Chajnantor and the horizon is below 6° except for one peak at 8°. It is close to the center of the Atacama Large Millimeter Array, currently under construction.
Map of the Chajnantor Plateau, showing the location of the Chajnantor Observatory (“CBI Project”) in relationship to ALMA and other facilities (courtesy of the ALMA project).
Schematic plan of the observatory, and aerial photograph.
Photos of the new tank catchment basin (Ricardo Bustos, 2006-11-01).
Photo of the laboratory (2000-08).
Residencia Don Esteban
Some photos of the accommodations in San Pedro (Nov 2006).