Astronomy and Astrophysics – Astrophysics – Instrumentation and Methods for Astrophysics
Scientific paper
2011-01-20
Astronomy and Astrophysics
Astrophysics
Instrumentation and Methods for Astrophysics
Contribution in conference "Comprehensive characterization of astronomical sites", held October 4-10, 2010, in Kislovodsk, Rus
Scientific paper
The Shack-Hartman wavefront sensor designed for final acceptance of 2.5m SAI telescope allows to measure the shape of the wavefront on exit pupil of the telescope using a bright star. The reference laser source on wavelength 532 nm is used for measurements. During testing the device at different telescopes it was found out what it's probable to estimate some properties of air streams in the dome. Such estimations have been made for three domes: 1.5 m AZT-22 and 1.0 m Zeiss telescope of Maidanak Observatory, Uzbekistan and for 2.6 m telescope ZTSh of Crimean observatory, Ukraine. The following results were obtained for the slowest streams in domes: {\beta}=0.34" for AZT-22, {\beta}=0.67" for Zeiss-1000, and {\beta}=0.69" for ZTSh.
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