期刊
ASTROPHYSICS AND SPACE SCIENCE
卷 278, 期 1-2, 页码 143-146出版社
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1013186107765
关键词
VLBI polarimetry; magnetic fields; quasar 3C147
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 (similar to 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.
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