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On the Measurement of Slightly Extended Sources

Published online by Cambridge University Press:  25 April 2016

David F. Crawford
David F. Crawford*
Affiliation:
School of Physics, University of Sydney
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Abstract

A general method is described for estimating the position, integrated flux density and the second moments of the flux density distribution for sources in a two dimensional map. The method requires accurate knowledge of the beam shape of the telescope. Uncertainty estimates and significance levels of the source parameters are easily obtained.

Type
Stellar
Information
Publications of the Astronomical Society of Australia , Volume 8 , Issue 1 , 1989 , pp. 86 - 87
Copyright
Copyright © Astronomical Society of Australia 1989

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References

Kempthorne, O., 1983, ‘The Design and Analysis of Experiments’, Robert E. Krieger Publishing Company, Malabar, Florida.Google Scholar