An investigation of the effects of mirror temperature upon telescope seeing

Details An investigation of the effects of mirror temperature upon telescope seeing An investigation of the effects of mirror temperature upon telescope seeing

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.188..249l&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 188, July 1979, p. 249-259.

Astronomy and Astrophysics

Astronomy

16

Image Enhancement, Image Resolution, Mirrors, Telescopes, Temperature Effects, Free Convection, Surface Temperature

Scientific paper

The convection disturbances caused by a telescope mirror being warmer than the surrounding air can cause serious degradation of the telescope image. An evaluation of this effect is derived, and it is shown that a flow of air across the mirror surface will improve the image quality, by eliminating the convection cells and by lowering the surface temperature.

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