Intrinsic jet parameters from multifrequency VLA polarization observations of archetypical FR-II quasars and radio galaxies

Details Intrinsic jet parameters from multifrequency VLA polarization observations of archetypical FR-II quasars and radio galaxies Intrinsic jet parameters from multifrequency VLA polarization observations of archetypical FR-II quasars and radio galaxies

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..222..333l&link_type=abstract

The Interplay among Black Holes, Stars and ISM in Galactic Nuclei, Proceedings of IAU Symposium, No. 222. Edited by T. Storchi-B

Astronomy and Astrophysics

Astrophysics

Scientific paper

VLA observations of selected FR-II jets (3C208, 3C352, 3C434, 3C9 and 3C14) between 5 and 15 GHz are used to derive astrophysical properties in the jets of these radio sources. We interpret the results as giving support for unifying schemes of radio galaxies and quasars. We have also determined the Faraday rotation for jets and counter-jet sides. Rotation measures are used to constrain the internal density and mach numbers of the jets, obtaining values similar to those of quasar jets but higher than those of radio galaxies. The radio brightness can be explained by doppler boosting of the synchrotron radiation, giving evidence for orientation effects as an origin for the Laing-Garrington effect.

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