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Title:
The mapping of compact radio sources from VLBI data
Authors:
Readhead, A. C. S.; Wilkinson, P. N.
Affiliation:
AA(Owens Valley Radio Observatory, Pasadena, Calif.), AB(Owens Valley Radio Observatory, Pasadena, Calif.)
Publication:
Astrophysical Journal, Part 1, vol. 223, July 1, 1978, p. 25-36. (ApJ Homepage)
Publication Date:
07/1978
Category:
Astronomy
Origin:
STI
NASA/STI Keywords:
ASTRONOMICAL MAPS, BRIGHTNESS, EXTRAGALACTIC RADIO SOURCES, LUMINOUS INTENSITY, VERY LONG BASE INTERFEROMETRY, AMPLITUDES, FOURIER TRANSFORMATION, IMAGING TECHNIQUES, ITERATION, VISIBILITY
Comment:
A&AA ID. AAA021.141.183
DOI:
10.1086/156232
Bibliographic Code:
1978ApJ...223...25R

Abstract

A method is described for recovering the brightness distributions of compact radio sources from VLBI observations of closure phase and fringe amplitude. The approach is to deduce the visibility phase from these data. It is shown that reliable 'hybrid' maps of complexity comparable with that of early synthesis results on extended sources can be obtained with networks of four or more existing telescopes.

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