Physics – Optics
Scientific paper
Oct 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982spie..332..193w&link_type=abstract
IN: International Conference on Advanced Technology Optical Telescopes, Tucson, AZ, March 11-13, 1982, Proceedings (A83-30976 13
Physics
Optics
Atmospheric Turbulence, Site Selection, Telescopes, Atmospheric Effects, Atmospheric Optics, Efficiency, Mirrors, Topography, Vegetation, Visible Spectrum, Wavelengths
Scientific paper
Site seeing at good locations has a typical zenithal value (500 A) of approximately 15 cm, and the 5 percentile seeing is about three times better. There are seeing effects at particular locations, but no known geographic trends. The dominant observatory problem is mirror seeing, and ventilated honeycomb mirrors are the current best solution. The detailed effects of phasing precision are discussed. It is assumed that adaptive optics can control separate 2m sized portions of the entrance pupil. Finally the efficiency of use of a telescope is estimated as a function of the image size produced by misfigure, misfocus, misalignment and local seeing etc.
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