"Pushkarev, A. B." / Journal: astronomy letters / Topic: astronomy - Searchworks@Jio Institute Digital Library Search Results

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Author: Bajkova, A. T. and Pushkarev, A. B.
Subjects: *RADIO astronomy, *RADIO sources (Astronomy), *ASTRONOMY, *MAXIMUM entropy method, *ENTROPY (Information theory)
Abstract: We consider the problem of multifrequency VLBA image synthesis and spectral-index mapping for active galactic nuclei related to the necessity of taking into account the frequency-dependent image shift. We describe our generalized multifrequency synthesis algorithm with a spectral correction based on the maximum entropy method. The results of our processing of multifrequency VLBI data for the radio sources J2202+4216, J0336+3218, and J1419+5423 are presented. [ABSTRACT FROM AUTHOR]
Published: 2010
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