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Magnetic Field Geometry of the Broad Line Radio Galaxy 3C111

P. Kharb, D. Gabuzda, W. Alef, E. Preuss, P. Shastri

astro-pharXiv:astro-ph/0301065

Abstract

Very Long Baseline Polarimetric observations of the Broad Line Radio galaxy 3C111 performed in July and September of 1996 at 8 and 43 GHz reveal rapidly evolving parsec-scale radio structure after a large millimetre outburst. The B-field geometry is not simple. We present a first analysis of possible Faraday and optical depth effects based on a comparison of the polarization images for the two frequencies.

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