Optical design and instrumentation of the Keck Observatory

Details Optical design and instrumentation of the Keck Observatory Optical design and instrumentation of the Keck Observatory

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..628..207n&link_type=abstract

IN: Advanced technology optical telescopes III; Proceedings of the Meeting, Tucson, AZ, Mar. 3-6, 1986 (A87-35201 15-89). Bellin

Physics

Optics

1

Design Analysis, Focal Plane Devices, Infrared Telescopes, Cassegrain Optics, Errors, Focusing, Mirrors

Scientific paper

The Keck Observatory Ten Meter Telescope has a Ritchey-Chretien optical design which maximizes the field of view for an f/15 focus at about 20 arcminutes. An f/25 infrared focus provides a 9 arcminute field. The optical design and the optical tolerances will provide 0.5 arcsecond images (80 percent enclosed energy diameter) over these fields of view. This is equivalent to 0.25 arcsecond FWHM seeing conditions. Instrumentation is designed to allow for rapid, semiautomatic instrument exchanges. At major foci, the instruments will be contained in interchangeable modules having a common weight and center of gravity that attach kinematically to the telescope.

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