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Multifrequency method for mapping active galactic nuclei with allowance for the frequency-dependent image shift.
- Source :
-
Astronomy Letters . Jul2010, Vol. 36 Issue 7, p457-466. 10p. 2 Charts, 6 Graphs. - Publication Year :
- 2010
-
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]
Details
- Language :
- English
- ISSN :
- 10637737
- Volume :
- 36
- Issue :
- 7
- Database :
- Academic Search Index
- Journal :
- Astronomy Letters
- Publication Type :
- Academic Journal
- Accession number :
- 51989599
- Full Text :
- https://doi.org/10.1134/S1063773710070017