VLBA U, X, C Band Polarimetry of Vir A jet.

Details VLBA U, X, C Band Polarimetry of Vir A jet. VLBA U, X, C Band Polarimetry of Vir A jet.

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...197.7515j&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #75.15; Bulletin of the American Astronomical Society, Vol. 32, p.1524

Astronomy and Astrophysics

Astronomy

Scientific paper

Very Long Baseline Array U, X and C band polarimetric observations have been made of the inner 100 mas of the bright, radio jet in the nearby active galactic nucleus, Vir A (3C274). The angular resolution of the observations is approximately 1 milliarcsecond corresponding to a linear scale of about 0.08 pc. The jet is substantially limb-brightened along its length. Linear polarization of a few tens of per cent has been detected in some locations along the edges of the jet between 15 and 40 mas from the core. Using observations over widely-separated frequencies in these bands, the Faraday rotation of the plane of polarization is estimated to be approximately 4400 rad m-2. The alignment of the de-rotated, projected, magnetic field vectors are compared with features in the jet. The polarization images are consistent with rotation by a dense Faraday screen. This work is supported by the National Science Foundation.

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