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Milli-arcsecond Scale Rotation Measure in Two CSSs

Published online by Cambridge University Press:  13 May 2016

F. Mantovani ,
R. Ricci ,
W. Junor ,
D.J. Saikia  and
C. Salter
F. Mantovani
Affiliation:
Istituto di Radioastronomia, Bologna, Italy
R. Ricci
Affiliation:
Istituto di Radioastronomia, Bologna, Italy
W. Junor
Affiliation:
University of New Mexico, Albuquerque, USA
D.J. Saikia
Affiliation:
NCRA, TIFR, Pune, India and Queen's University, Kingston, Canada
C. Salter
Affiliation:
Arecibo Observatory, HC3 Box53995, Arecibo, PR 00612, USA

Abstract

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Two Compact Steep-spectrum Sources (CSSs), 0548+165 and 1524-136, have been observed in dual polarization with the VLBA at 4.9 and 8.4 GHz. Rotation measures (RMs) up to 104 rad m−2 were derived for the jets of both sources. These high values possibly arise due to the external medium interacting with the radio jets, with measured depolarization being due to small-scale inhomogeneities in the medium.

Type
The Inner Regions of Galaxies
Information
Symposium - International Astronomical Union , Volume 205: Galaxies and their Constituents at the Highest Angular Resolutions , 2001 , pp. 138 - 139
Copyright
Copyright © Astronomical Society of the Pacific 2001 

References

Junor, W., Salter, C.J., Saikia, D.J. et al. 1999 MNRAS, 308, 955.Google Scholar
Mantovani, F., Junor, W., Fanti, R. et al. 1994 A&A, 292, 59.Google Scholar