Statistics and analysis of high-altitude wind above 6-m Big Telescope Alt-azimuthal site

L. A. Bolbasova; A. Yu. Shikhovtsev; P. G. Kovadlo; A. V. Kiselev; V. P. Lukin

doi:10.1117/12.2601834

15 December 2021 Statistics and analysis of high-altitude wind above 6-m Big Telescope Alt-azimuthal site

L. A. Bolbasova, A. Yu. Shikhovtsev, P. G. Kovadlo, A. V. Kiselev, V. P. Lukin

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 119160M (2021) https://doi.org/10.1117/12.2601834
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

The quality of astronomical observations is strongly related to the quality properties of the atmosphere. The studies of the atmosphere above observing sites are important for observation planning, instrument optimization, adaptive optics development. The high-altitude distributions of wind speed over the 6-meters Big Telescope Alt-Azimuthal of Special Astrophysical Observatory of Russian Academy Science for astronomical site characterization and the development of adaptive optics techniques are study. The data used from the NCEP/NCAR and ERA-Interium reanalysis, which is widely acknowledged as being reliable. Seasonal behaviors (mean, median, quantiles) of vertical distributions of wind speed are presented. Statistical analyses of the 200-mbar wind speed used as useful parameter for ranking astronomical sites in term of their suitability for adaptive optics is performed. The long-time trend of V200 is presented.

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L. A. Bolbasova, A. Yu. Shikhovtsev, P. G. Kovadlo, A. V. Kiselev, and V. P. Lukin "Statistics and analysis of high-altitude wind above 6-m Big Telescope Alt-azimuthal site", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 119160M (15 December 2021); https://doi.org/10.1117/12.2601834

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