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RATAN-600 as a MM-Array

Published online by Cambridge University Press:  12 April 2016

Yu.N. Parijskij ,
G.A. Pinchuk ,
O.V. Verkhodanov ,
V.B. Khaikin ,
Yu.K. Zverev  and
G.V. Zhekanis
Yu.N. Parijskij
Affiliation:
Special Astrophysical Observatory of the Russian Academy of Science, Russia, Karachai-Cherkessia, 357147 Nizhnij Arkhyz
G.A. Pinchuk
Affiliation:
Special Astrophysical Observatory of the Russian Academy of Science, Russia, Karachai-Cherkessia, 357147 Nizhnij Arkhyz
O.V. Verkhodanov
Affiliation:
Special Astrophysical Observatory of the Russian Academy of Science, Russia, Karachai-Cherkessia, 357147 Nizhnij Arkhyz
V.B. Khaikin
Affiliation:
Special Astrophysical Observatory of the Russian Academy of Science, Russia, Karachai-Cherkessia, 357147 Nizhnij Arkhyz
Yu.K. Zverev
Affiliation:
Special Astrophysical Observatory of the Russian Academy of Science, Russia, Karachai-Cherkessia, 357147 Nizhnij Arkhyz
G.V. Zhekanis
Affiliation:
Special Astrophysical Observatory of the Russian Academy of Science, Russia, Karachai-Cherkessia, 357147 Nizhnij Arkhyz

Abstract

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It is shown that multi-elements surface of the Russian biggest reflector may be considered as a 1000-element array with limited freedom of motions of each element. This limitation may be compensated by selection of the proper “virtual sub-array” of elements at any given direction of observations. This approach is especially effective for mm-waves where field of view of 600-meter reflector in usual mode is less than 1 arcsec. The present stage of realization of that project is shortly discussed, including requirements for multi-feed system near the focal plane of the radio telescope, wavelength limitations and error budget, and near field zone 3-dimensional synthesis mode of observation.

Type
4. Plans for the Future
Information
International Astronomical Union Colloquium , Volume 140: Astronomy with Millimeter and Submillimeter Wave Interferometry , 1994 , pp. 392 - 397
Copyright
Copyright © Astronomical Society of the Pacific 1994

References

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