Vertical Distribution of Optical Turbulence at the Peak Terskol Observatory and Mount Kurapdag

Shikhovtsev, A.Y.; Qing, C.; Kopylov, E.A.; Potanin, S.A.; Kovadlo, P.G.

Авторы: Shikhovtsev Artem Y., Qing Chun, Kopylov Evgeniy A., Potanin Sergey A., Kovadlo Pavel G.
Журнал: Remote Sensing
Том: 16
Номер: 12
Год издания: 2024
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
DOI: 10.3390/rs16122102
Аннотация: Atmospheric turbulence characteristics are essential in determining the quality of astronomical images and implementing adaptive optics systems. In this study, the vertical distributions of optical turbulence at the Peak Terskol observatory (43.27472°N 42.50083°E, 3127 m a.s.l.) using the Era-5 reanalysis and scintillation measurements are investigated. For the closest reanalysis grid node to the observatory, vertical profiles of the structural constant of the air refractive index turbulent fluctuations 𝐶2𝑛 were obtained. The calculated 𝐶2𝑛(𝑧) vertical profiles are compared with the vertical distribution of turbulence intensity obtained from tomographic measurements with a Shack–Hartmann sensor. The atmospheric coherence length at the location of Terskol Peak was estimated. Using a combination of atmospheric models and paramaterization schemes of turbulence, 𝐶2𝑛(𝑧) profiles at Mt. Kurapdag were obtained. The values of atmospheric coherence length at Peak Terskol are compared with estimated values of this length at the ten astronomical sites, including Ali, Lenghu and Daocheng.
Добавил в систему: Потанин Сергей Александрович

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Vertical Distribution of Optical Turbulence at the Peak Terskol Observatory and Mount Kurapdagстатья

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