Abstract
The paper covers characteristics of big interferometers and reflecting radio telescopes intended for the studies of the solar atmosphere radiation. Solar radio interferometers (radioheliographs) have proven to be more cost-effective than single dish radio telescopes, since using the aperture synthesis allows for fast imaging of the Sun and its active regions with higher spatial resolution, thus, studying solar eruptive processes more efficiently. From the other hand, the studies of many fundamental aspects of the solar atmosphere physics requiring studies of low-contrast structures before and after flares gained no proper development. The efficiency of radio reflectors was enhanced in last decades mainly due to the development of matrix methods of reception, focal arrays, and also due to spectroscopic analysis in the wide wavelength range with high flux density sensitivity. Meanwhile, the diversity of issues related to the physics of the solar atmosphere and active processes requires an optimal combination of capabilities of various microwave interferometric and reflecting systems for joint studies of the Sun. In view of the started implementation of solar observation programs with a new instrument, ALMA, and obtaining newly observed data in the millimeter and submillimeter ranges, the areas of development of solar studies with the RATAN-600 radio telescope in the wide wavelength range are discussed.
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The authors are grateful to Yu. N. Parijskij a full member of the RAS for the interest shown in this paper.
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Russian Text © The Author(s), 2019, published in Astrofizicheskii Byulleten’, 2019, Vol. 74, No. 2, pp. 235–248.
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Khaikin, V.B., Storozhenko, A.A. & Bogod, V.M. Radioheliographs and Radio Reflectors in Solar Plasma Studies. Astrophys. Bull. 74, 221–233 (2019). https://doi.org/10.1134/S1990341319020111
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DOI: https://doi.org/10.1134/S1990341319020111