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Four Southern Intraday Variable Radio Sources

Published online by Cambridge University Press:  12 April 2016

L. L. Kedziora-Chudczer
Affiliation:
Research Centre for Theoretical Astrophysics, The University of Sydney, NSW, Australia
D. L. Jauncey
Affiliation:
Australia Telescope National Facility, CSIRO, Sydney NSW, Australia
M. H. Wieringa
Affiliation:
Australia Telescope National Facility, CSIRO, Sydney NSW, Australia
J. E. Reynolds
Affiliation:
Australia Telescope National Facility, CSIRO, Sydney NSW, Australia
A. K. Tzioumis
Affiliation:
Australia Telescope National Facility, CSIRO, Sydney NSW, Australia
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Abstract

This is a progress report on the ATCA IDV survey of compact, flat or inverted spectrum radio sources. We found that four sources: PKS 0405–385, PKS 1034–293, PKS 1144–397, and PKS 1519–273 out of the sample of 125 show high flux density variability on the daily timescale. The characteristics of observed IDV are discussed and we reflect on its possible origin.

Type
Research Article
Copyright
Copyright © Astronomical Society of the Pacific 1998

References

Kedziora-Chudczer, L.L., et al. 1997. ApJ, 490 L912.CrossRefGoogle Scholar
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Taylor, J.H., & Cordes, J.M. 1993. ApJ, 411, 674684.CrossRefGoogle Scholar
Wagner, S.J., & Witzel, A. 1995. ARA&A, 33, 163197.CrossRefGoogle Scholar

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