Project of the Large Solar Telescope with mirror 3 m in diameter

Victor Grigoryev; Mikhail Demidov; Dmitriy Kolobov; Vasiliy Pulyaev; Valery Skomorovsky; Sergey Chuprakov

doi:10.12737/stp-62202002

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PROJECT OF THE LARGE SOLAR TELESCOPE WITH MIRROR 3 M IN DIAMETER Project of the Large Solar Telescope with mirror 3 m in diameter

АА Аа

Published in Solar-Terrestrial Physics · Volume 6, Issue 2 · Pages 14–29 · Rubric: Reviews

DOI: https://doi.org/10.12737/stp-62202002

Received: 09.06.2020 Accepted: 16.03.2026 Language of publication: ENG

Authors

Victor Grigoryev

Mikhail Demidov

ORCID SPIN

Dmitriy Kolobov

Vasiliy Pulyaev

et al.

Valery Skomorovsky

ORCID

Sergey Chuprakov

Victor Grigoryev

Academic degree: doctor of physical and mathematical sciences

Science rang: corresponding member author.academy_titles.32

Institute of Solar-Terrestrial Physics SB RAS Russian Federation · Irkutsk

Mikhail Demidov

Academic degree: doctor of physical and mathematical sciences

Institute of Solar Terrestrial Physics SB RAS Russian Federation · Irkutsk

National Astronomical Observatories, Chinese Academy of Sciences China · Beijing

ORCID SPIN

Dmitriy Kolobov

Academic degree: candidate of physical and mathematical sciences

Institute of Solar-Terrestrial Physics SB RAS Russian Federation · Irkutsk

Vasiliy Pulyaev

Institute of Solar-Terrestrial Physics SB RAS Russian Federation · Irkutsk

Valery Skomorovsky

Academic degree: doctor of physical and mathematical sciences

Institute of Solar Terrestrial Physics SB RAS Russian Federation · Irkutsk

ORCID

Sergey Chuprakov

Academic degree: candidate of technical sciences

Institute of Solar Terrestrial Physics SB RAS Russian Federation · Irkutsk

ABSTRACT

One of the most important problems of modern solar physics is the observation of the small-scale structure of the solar atmosphere at various heights (including the chromosphere and corona) in different spectral lines. Such observations can be made only with large solar telescopes whose main mirror has a diameter of at least 3 m. Currently, several large solar telescopes are under construction or development in the world. In 2013 in Russia, the work began on the development of a national large solar telescope with a mirror 3 m in diameter (LST-3), which is a part (subproject) of the National Heliogeophysical Complex of the Russian Academy of Sciences. The telescope is planned to be located in the Sayan Solar Observatory at an altitude of more than 2000 m. The choice was made in favor of the classic axisymmetric Gregory optical layout on an alt-azimuth mount. The scientific equipment of LST-3 will consist of several systems of narrow-band tunable filters and spectrographs for various wave ranges. The equipment will be placed both in the main coude focus on a rotating platform and in the Nasmyth focus. To achieve a diffraction resolution, high-order adaptive optics (AO) will be used. It is assumed that with a certain modification of the optical configuration, LST-3 will work as a 0.7 m mirror coronograph in near infrared lines and can also be used for observing astrophysical objects in the nighttime.

KEYWORDS

Sun, corona, telescope, spatial resolution, magnetic fields, polarization, spectrograph, spectral lines

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Editor-in-Chief

Geliy Zherebtsov

solater@iszf.irk.ru

Deputy Editor-in-Chief

Aleksandr Stepanov

stepanov@gaoran.ru

Deputy Editor-in-Chief

Alexander Potapov

potapov@iszf.irk.ru

Executive Secretary of Editorial Board

Natalia Polyushkina

npol@iszf.irk.ru

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GOST

Grigoryev V. M., Demidov M. L., Kolobov D. Y., Pulyaev V. A., Skomorovsky V. I., Chuprakov S. A. Project of the Large Solar Telescope with mirror 3 m in diameter // Solar-Terrestrial Physics. 2020. no. 2. pp. 14-29. DOI: https://doi.org/10.12737/stp-62202002. (Date of access 22.10.2026).

MLA

Victor Grigoryev, Demidov M. L., Kolobov D. Y., Pulyaev V. A., Skomorovsky V. I., Chuprakov S. A.. "Project of the Large Solar Telescope with mirror 3 m in diameter." Solar-Terrestrial Physics 6.2 (2020): 14-29. DOI: https://doi.org/10.12737/stp-62202002.

APA

Grigoryev V. M., Demidov M. L., Kolobov D. Y., Pulyaev V. A., Skomorovsky V. I., Chuprakov S. A. (2020). Project of the Large Solar Telescope with mirror 3 m in diameter. Solar-Terrestrial Physics, 6(2), 14-29. https://doi.org/10.12737/stp-62202002

Chicago

Victor Grigoryev, Demidov M. L., Kolobov D. Y., Pulyaev V. A., Skomorovsky V. I., Chuprakov S. A.. "Project of the Large Solar Telescope with mirror 3 m in diameter." Solar-Terrestrial Physics 6, no. 2 (2020): 14-29. https://doi.org/10.12737/stp-62202002.

WIKI

{{cite journal | author = Grigoryev V. M., Demidov M. L., Kolobov D. Y., Pulyaev V. A., Skomorovsky V. I., Chuprakov S. A. | title = Project of the Large Solar Telescope with mirror 3 m in diameter | journal = Solar-Terrestrial Physics | year = 2020 | volume = 6 | issue = 2 | pages = 14-29 | doi = 10.12737/stp-62202002 }}

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PROJECT OF THE LARGE SOLAR TELESCOPE WITH MIRROR 3 M IN DIAMETER Project of the Large Solar Telescope with mirror 3 m in diameter

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