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Circular Polarization in Scintillating Sources

Published online by Cambridge University Press:  13 May 2016

Jean-Pierre Macquart ,
Lucyna Kedziora-Chudczer ,
David L. Jauncey ,
R. Sault  and
David P. Rayner
Jean-Pierre Macquart
Affiliation:
1 RCfTA, School of Physics, University of Sydney, NSW 2006, Australia
Lucyna Kedziora-Chudczer
Affiliation:
2 Australia Telescope National Facility, CSIRO, Australia
David L. Jauncey
Affiliation:
2 Australia Telescope National Facility, CSIRO, Australia
R. Sault
Affiliation:
2 Australia Telescope National Facility, CSIRO, Australia
David P. Rayner
Affiliation:
2 Australia Telescope National Facility, CSIRO, Australia 3 University of Tasmania, Hobart 7001, Tasmania, Australia

Abstract

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We discuss the detection of variable circular polarization (CP) in several scintillating radio sources: PKS 1519-273, PKS 0405-385 and Sgr A*. In all cases the CP is variable, with the fractional variability in the CP greatly exceeding that in total intensity.

Type
The Inner Regions of Galaxies
Information
Symposium - International Astronomical Union , Volume 205: Galaxies and their Constituents at the Highest Angular Resolutions , 2001 , pp. 92 - 93
Copyright
Copyright © Astronomical Society of the Pacific 2001 

References

Kedziora-Chudczer, L., Jauncey, D.L., Wieringa, M.H., Walker, M.A., Nicolson, G.D., Reynolds, J.E. & Tzioumis, A.K., 1997, Ap.J., 490, L9.Google Scholar
Macquart, J.-P., Kedziora-Chudczer, L., Jauncey, D.L., Rayner, D.P., 2000, Ap.J., 538, 623.CrossRefGoogle Scholar
Macquart, J.-P., Melrose, D.B., 2000a, Phys. Rev.E, 62, 4177.CrossRefGoogle Scholar
Macquart, J.-P., Melrose, D.B., 2000b, to appear in Ap.J., 545.CrossRefGoogle Scholar