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Methodical Results of Sun Observations on RATAN-600 Radio Telescope in Tracking (Scanning) Mode

V. B. Khaikin, M. K. Lebedev, N. N. Bursov, A. A. Storozhenko, N. E. Ovchinnikova, V. M. Bogod

Transactions of IAA RAS, issue 47, 53–57 (2018)

Keywords: RATAN-600, solar observations, tracking mode.

Abstract

We report the methods of the tracking and scanning modes realization on the “South sector + Periscope Mirror” antenna system of the RATAN-600 radio telescope with the main mirror shaped as a parabolic or circular cylinder, and the methodical results of the solar observations in these modes. Reducing the aperture of the system, one get a long focus antenna system with a much wider field of view than the full aperture system would have. The numerical simulations and the experiment show that the aperture reduced down to 100-150 m makes it possible to track the Sun over the angular range up to ±3º from the optical axis of the system set in the meridian or some azimuth. The possible time of tracking or scanning the Sun with a reduced aperture and fixed main mirror is 12–24 minutes, and the total time of tracking the Sun is more than 3 hours a day in the azimuth range ±30º for the wavelengths from 2 to 30 cm.

Citation

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RIS

V. B. Khaikin, M. K. Lebedev, N. N. Bursov, A. A. Storozhenko, N. E. Ovchinnikova, V. M. Bogod. Methodical Results of Sun Observations on RATAN-600 Radio Telescope in Tracking (Scanning) Mode // Transactions of IAA RAS. — 2018. — Issue 47. — P. 53–57.

@article{khaikin2018,
  abstract = {We report the methods of the tracking and scanning modes realization on the “South sector + Periscope Mirror” antenna system of the RATAN-600 radio telescope with the main mirror shaped as a parabolic or circular cylinder, and the methodical results of the solar observations in these modes. Reducing the aperture of the system, one get a long focus antenna system with a much wider field of view than the full aperture system would have. The numerical simulations and the experiment show that the aperture reduced down to 100-150 m makes it possible to track the Sun over the angular range up to ±3º from the optical axis of the system set in the meridian or some azimuth. The possible time of tracking or scanning the Sun with a reduced aperture and fixed main mirror is 12–24 minutes, and the total time of tracking the Sun is more than 3 hours a day in the azimuth range ±30º for the wavelengths from 2 to 30 cm.},
  author = {V.~B. Khaikin and M.~K. Lebedev and N.~N. Bursov and A.~A. Storozhenko and N.~E. Ovchinnikova and V.~M. Bogod},
  doi = {10.32876/ApplAstron.47.53-57},
  issue = {47},
  journal = {Transactions of IAA RAS},
  keyword = {RATAN-600, solar observations, tracking mode},
  pages = {53--57},
  title = {Methodical Results of Sun Observations on RATAN-600 Radio Telescope in Tracking (Scanning) Mode},
  url = {http://iaaras.ru/en/library/paper/1893/},
  year = {2018}
}

TY  - JOUR
TI  - Methodical Results of Sun Observations on RATAN-600 Radio Telescope in Tracking (Scanning) Mode
AU  - Khaikin, V. B.
AU  - Lebedev, M. K.
AU  - Bursov, N. N.
AU  - Storozhenko, A. A.
AU  - Ovchinnikova, N. E.
AU  - Bogod, V. M.
PY  - 2018
T2  - Transactions of IAA RAS
IS  - 47
SP  - 53
AB  - We report the methods of the tracking and scanning modes realization
on the “South sector + Periscope Mirror” antenna system of the
RATAN-600 radio telescope with the main mirror shaped as a parabolic
or circular cylinder, and the methodical results of the solar
observations in these modes. Reducing the aperture of the system, one
get a long focus antenna system with a much wider field of view than
the full aperture system would have. The numerical simulations and
the experiment show that the aperture reduced down to 100-150 m makes
it possible to track the Sun over the angular range up to ±3º from
the optical axis of the system set in the meridian or some azimuth.
The possible time of tracking or scanning the Sun with a reduced
aperture and fixed main mirror is 12–24 minutes, and the total time
of tracking the Sun is more than 3 hours a day in the azimuth range
±30º for the wavelengths from 2 to 30 cm.
DO  - 10.32876/ApplAstron.47.53-57
UR  - http://iaaras.ru/en/library/paper/1893/
ER  -