Tashanta as a promising astropoint of the Altai mountains: the first results of the astroclimate study

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Abstract

For the Tashanta point, 49°43ʹ4ʺN, 89°11ʹ31ʺE, Gorny Altai, data from continuous measurements of astroclimatic parameters of the surface layer, monthly average values of the total cloud cover, suspended water vapor from the ERA5 atmospheric reanalysis database and primary measurements of the altitude distribution of turbulence are presented. The results show unique astroclimatic and operational conditions, which probably make it one of the best places in the Russian Federation for submillimeter and optical range observatories.

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About the authors

L. А. Bolbasova

Zuev Institute of Atmospheric Optics, Siberian Branch, Russian Academy of Science

Author for correspondence.
Email: astrojourn@pran.ru
Russian Federation, Tomsk

E. A. Kopylov

Zuev Institute of Atmospheric Optics, Siberian Branch, Russian Academy of Science; Insitute of Astronomy, Russian Academy of Sciences

Email: astrojourn@pran.ru
Russian Federation, Tomsk; Moscow

S. А. Potanin

Insitute of Astronomy, Russian Academy of Sciences; Sternberg Astronomical Institute, Lomonosov Moscow State University

Email: astrojourn@pran.ru
Russian Federation, Moscow; Moscow

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Supplementary files

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2. Fig. 1. Median values of the amount of water vapor deposited for 2019-2023.

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3. Fig. 2. Median values of total precipitation for 2019-2023

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4. Fig. 3. Median cloud cover values for 2019-2023

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5. 4. Histograms of wind speed distribution: a — November, b — December, c — January, d — February.

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6. Fig. 5. The wind rose in the village Tashanta in the period from June 11, 2023 to June 04, 2024

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7. 6. Histograms of the distribution of the values of the structural constant of the refractive index: a — November, b — December, c — January, d — February.

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8. Fig. 7. Daily course of values of the structural constant of the indicator.

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9. 8. Assessment of the quality of astronomical vision based on measurements on the night of October 27-28, 2023 near the village of Tashanta.

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