Parsec-scale rotation-measure distribution in the quasar 3C 147 at 8 GHz

Details Parsec-scale rotation-measure distribution in the quasar 3C 147 at 8 GHz Parsec-scale rotation-measure distribution in the quasar 3C 147 at 8 GHz

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004a%26a...415..477z&link_type=abstract

Astronomy and Astrophysics, v.415, p.477-481 (2004)

Astronomy and Astrophysics

Astrophysics

4

Polarization, Galaxies: Jets, Galaxies: Magnetic Fields, Galaxies: Quasars: Individual: 3C 147

Scientific paper

VLBA polarization observations of the high-rotation-measure source 3C 147 were made at four frequencies in the available 8 GHz band. The distribution of total flux and rotation measure across the source has been imaged. The rotation measure of the inner jet of the source (˜-1800 rad m-2) is consistent with previous results. After removing the rotation of the plane of polarization due to a foreground screen, the derived intrinsic magnetic field structure of the source on parsec scales is roughly transverse to the predominant jet direction, indicating the presence of relativistic shocks or a dominant toroidal jet B-field component.

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