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Title:
The Cornell Caltech Atacama Telescope status and technical progress
Authors:
Sebring, Thomas A.; Radford, Simon; Giovanelli, Riccardo; Glenn, Jason; Woody, David
Affiliation:
AA(Cornell Univ. (United States)), AB(California Institute of Technology (United States)), AC(Cornell Univ. (United States)), AD(Univ. of Colorado, Boulder (United States)), AE(California Institute of Technoloy (United States))
Publication:
Ground-based and Airborne Telescopes II. Edited by Stepp, Larry M.; Gilmozzi, Roberto. Proceedings of the SPIE, Volume 7012, pp. 70121H-70121H-9 (2008). (SPIE Homepage)
Publication Date:
08/2008
Origin:
SPIE
DOI:
10.1117/12.787586
Bibliographic Code:
2008SPIE.7012E..51S

Abstract

Five partners have currently joined a Consortium to develop the Cornell Caltech Atacama Telescope (CCAT.) Included are Cornell University, the California Institute of Technology (Caltech), the University of Colorado at Boulder, the United Kingdom as represented by the Astronomy Technology Centre (ATC), and Canada as represented by the Universities of British Columbia and Waterloo. This consortium has continued work toward the design of the telescope and instrumentation, pursued fund raising, and further developed the science case for CCAT. An Engineering Design Phase is being planned for 2009-2011 with construction planned to begin shortly thereafter. CCAT continues as a wide field (20 arc min) FOV telescope operating from a shortest wavelength of 200µ. Testing has continued near the summit of Cerro Chajnantor in the Atacama Region of Chile above 5600 meters altitude and data indicates significantly lower water vapor in the seeing column than measured at the ALMA site on the plateau below. Work over the past two years has included research on manufacturing methods for optical segments, extensive study of mirror alignment sensing and control techniques, additional concepts for major structures, and further development of instrumentation.
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