Use of the regularization method to increase the resolving power of a radio telescope

Details Use of the regularization method to increase the resolving power of a radio telescope Use of the regularization method to increase the resolving power of a radio telescope

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979azh....56..443b&link_type=abstract

Astronomicheskii Zhurnal, vol. 56, Mar.-Apr. 1979, p. 443-449. In Russian.

Computer Science

Numerical Analysis

High Resolution, Radio Telescopes, Brightness, Hydroxyl Emission, Numerical Analysis, Radio Astronomy

Scientific paper

Results are presented for an application of Tikhonov's (1963) regularization method to solve the inverse problem of correcting radio-astronomical observations for the effect of the instrument function. The observations are corrected for the directivity pattern by assuming that the true radio-brightness strip distribution over the source is a smooth function bounded above and below by certain constants. It is shown that processing of OH 1667-MHz main-line observations in absorption makes it possible to determine the structure of the absorbing clouds toward the Galactic Center.

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