The use of cosmic radio sources for the investigation of the characteristics of the RATAN-600 radio telescope

Details The use of cosmic radio sources for the investigation of the characteristics of the RATAN-600 radio telescope The use of cosmic radio sources for the investigation of the characteristics of the RATAN-600 radio telescope

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981rael...26.1530b&link_type=abstract

Radiotekhnika i Elektronika, vol. 26, July 1981, p. 1530-1544. In Russian.

Astronomy and Astrophysics

Astronomy

2

Antenna Components, Radio Sources (Astronomy), Radio Telescopes, Reflecting Telescopes, Sidelobes, Surface Properties, Adjusting, Angular Resolution, High Resolution, Power Gain, Random Errors, Reflected Waves

Scientific paper

Results are presented of measurements of northern-sector parameters of the RATAN-600 radio telescope performed using observations of discrete radio sources in 1979. Improved formulas are presented for calculating the far-zone scattered field, with allowance for the periodic structure of the telescope surface and features of telescope fabrication. The formulas show that there is a relationship between scattered fields of different scale; this relationship has been confirmed experimentally. Measurements of extended radio sources were used to evaluate the surface error (sigma = 0.35 mm) in the aperture of the telescope. Examples of the observation of complex sources with a resolution exceeding 10 arcsec are presented, and ways to further improve the performance of the telescope are discussed.

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