Magnetic fields in Quasar 3C147 on milliarcsecond scales

In this: publication
By this: publisher
In this Subject: Astronomy
By this author: Zhang H.Y. ;&nbsp; Nan R.D.

Authors: Zhang H.Y.; Nan R.D.

Source: Astrophysics and Space Science, Volume 278, Numbers 1-2, 2001 , pp. 143-146(4)

Publisher: Springer

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Abstract:

VLBA polarimetric observations of the steep-spectrum quasar 3C147 were made at four frequencies in the available 5 GHz band, from which polarization in one bright feature in the inner jet was detected. The rotation measure of this feature ( sim 1300 rad m^-2) agrees with the known high rotation measure of the source, which makes it possible to remove the Faraday screen pixel-by-pixel and obtain the intrinsic magnetic field structure. The arch shape of B vectors suggests that a relativistic and distorted jet is being seen in projection.