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Published September 1984 | public
Journal Article

Image Formation by Self-Calibration in Radio Astronomy


This review describes these self-calibration methods and their application to both conventional and very long baseline arrays and includes examples of the high-quality images that they produce. After first defining closure phase and closure amplitude in Section 2, we review conventional aperture synthesis methods in Sections 3 and 4. The new iterative self-calibration algorithms are the subject of Section 5. In Section 6 we consider the capabilities and limitations of these algorithms. Finally, in Section 7 we mention some applications in optical and infrared astronomy and in new radio instruments presently planned or under construction.

Additional Information

© 1984 Annual Reviews. We thank our colleagues who contributed to this review by discussion and comment, and by sending us preprints of their work. We are especially grateful to J. W. Dreher, D. H. Hough, T. W. B. Muxlow, R. T. Schilizzi, and R. S. Simon for providing the examples of self-calibration that appear in the figures. This work was supported in part by the US National Science Foundation (AST 8210259).

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August 19, 2023
October 23, 2023