Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pasp..103..712i&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 103, July 1991, p. 712-722.
Astronomy and Astrophysics
Astronomy
9
Mirrors, Seeing (Astronomy), Telescopes, Monitors, Temperature Measurement, Turbulence Effects
Scientific paper
A 62-cm active optics telescope model with a Shack-Hartmann wavefront analyzer was used to measure the mirror seeing effect. The degradation of the imaging quality due to the generation of microthermal convection was quantitatively evaluated from diurnal monitoring measurements over 90 days and nights. The dependence of mirror seeing on the temperature difference between the mirror and the ambient air and the effect of flushing flow to blow away the microthermal turbulence were measured.
Ando Hiroki
Iye Masanori
Mikami Yoshitaka
Noguchi Takaaki
Torii Yoshio
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