Hostname: page-component-cd9895bd7-dzt6s Total loading time: 0 Render date: 2024-12-12T14:34:18.833Z Has data issue: false hasContentIssue false

Self-calibration of M.O.S.T. data

Published online by Cambridge University Press:  12 April 2016

A. D. Gray*
Affiliation:
School of Physics, University of Sydney, Sydney, N.S.W., 2006, AUSTRALIA

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The Molonglo Observatory Synthesis Telescope (MOST), located near Canberra, Australia, is an east-west earth-rotation synthesis array which, unlike conventional synthesis arrays, generates multiple real-time fan-beams and forms images by the back-projection of the recorded intensities rather than by Fourier inversion of visibilities. The images produced in this fashion are often marred by the presence of radial artefacts emanating from strong sources due to residual calibration errors. An algorithm devised to self-calibrate these errors is discussed.

Type
Imaging
Copyright
Copyright © Astronomical Society of the Pacific 1991

References

Cornwell, T. and Fomalont, E.B. 1989, In Synthesis Imaging in Radio Astronomy, ed. Perley, R.A., Schwab, F.R., and Bridle, A.H., Astronomical Society of the Pacific Conference Series, 6, 185 Google Scholar
Cram, L.E. 1989, Astrophysics Department Memo: Self-calibration of MOST Maps, School of Physics, University of Sydney Google Scholar
Crawford, D.F. 1984, In Proc. URSI/IAU Symp. Indirect Imaging, ed. Roberts, J.A., Cambridge University Press, 373 Google Scholar
Mills, B.Y. and Little, A.G. 1976, Proc. Astron. Soc. Australia, 3, 33 CrossRefGoogle Scholar
Mills, B.Y. 1981, Proc. Astron. Soc. Australia, 4, 2 Google Scholar
Subramanya, C.R. 1984, Astrophysics Department Memo: Self-cal for MOST Maps, School of Physics, University of Sydney Google Scholar