Cited by 22Adaptive optics and wavefront sensingAstronomy and Astrophysical ResearchAstronomical Observations and Instrumentation

The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.

Application of Neural Networks to Estimation and Prediction of Seeing at the Large Solar Telescope Site

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Shikhovtsev, Artem Yu., Kovadlo, Pavel G., Kiselev, Alexander V., Eselevich, Maxim V., Lukin, Vladimir P.·2023·Publications of the Astronomical Society of the Pacific

Abstract

Optical turbulence limits the angular resolution of ground-based astronomical telescopes. The key parameter of optical turbulence is seeing. In this study, seasonal variations of seeing estimated from differential image motion monitor measurements at the Large Solar Telescope site are discussed. The Large Solar Telescope will be located at an elevation of 2000 m above sea level ( 51 ° 37 ′ 18 ″ N, 100 ° 55 ′ 07 ″ E ). The highest seeing values are observed in winter. The median of seeing is 2.″1. In summer, the median decreases to 1.″1. The best atmospheric conditions are observed in April–May, when the medians of seeing are low and the standard deviations are high. During this period, atmospheric situations with low values of seeing (∼0.″5–0.″6) are often observed. We simulated multilayer neural networks for the measured seeing by applying a group method of data handling. Modeled seeing is well described in terms of mean meteorological parameters, which include wind speed components and large-scale vorticity of air flows at different altitudes in the atmosphere. The 12-layer optimal neural network obtained has a high correlation coefficient between modeled and measured seeing values. The linear correlation coefficient is 0.77.

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  1. Sarazin, 1990, A&A, 227, 294
  2. Tyryshkin, 2015, Vol. 6, 107

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Metadata

Authors
Shikhovtsev, A. Y., Kovadlo, P. G., Kiselev, A. V., Eselevich, M. V., & Lukin, V. P.
Affiliations
Russian Academy of Sciences (RU)
Corresponding author
Shikhovtsev, Artem Yu.
Venue
Publications of the Astronomical Society of the Pacific
Published
2023-01-01
Volume
135
Issue
1043
Pages
014503
ISSN
  • 0004-6280 (ISSN-L)
  • 1538-3873
OpenAlex
W4319316166
Cited by
22
References
34
Citations by year
2026: 5 · 2025: 8 · 2024: 4 · 2023: 5
FWCI
2.56
Type
journal article
Language
en
Open access
Locations
Publications of the Astronomical Society of the Pacific (publishedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Adaptive optics and wavefront sensing
  • Physical Sciences › Physics and Astronomy › Instrumentation › Astronomy and Astrophysical Research
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astronomical Observations and Instrumentation
Keywords
seeing, optical turbulence, differential image motion monitor, multilayer neural networks, group method of data handling, meteorological parameters, wind speed, atmospheric vorticity

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