VLBA Polarimetry of Lobe-Dominated Quasars from the Jodrell Bank Survey

Details VLBA Polarimetry of Lobe-Dominated Quasars from the Jodrell Bank Survey VLBA Polarimetry of Lobe-Dominated Quasars from the Jodrell Bank Survey

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..340..162a&link_type=abstract

Future Directions in High Resolution Astronomy: The 10th Anniversary of the VLBA, ASP Conference Proceedings, Vol. 340. Edited

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present images of the parsec-scale polarization structure in the nuclei of three lobe-dominated quasars from the Jodrell Bank 966 MHz survey: 0723+679 (3C179), 1150+497, and 1317+520. Studies of extended sources, whose jets cover a wide range of orientations, are important for testing physical models of polarized emission. The core in 0723+679 shows a rest-frame rotation measure of ˜1400 rad m-2. All three sources have low-polarization (< 2%) cores and moderately-polarized (often > 10%) jets, with evidence for strong polarization (≥20%) on the component edges. All three jets exhibit predominantly longitudinal magnetic fields, with no Faraday rotation. The cores have flatter spectra than the jets.

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