Circular Polarimetry of Extragalactic Radio Sources

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We report multi-frequency circular polarization measurements for the four extragalactic radio sources 0056-00, 0716+71, 3C138 and 3C161 taken at the Effelsberg 100-m radiotelescope. The data reduction is based on a new calibration procedure that allows the contemporary measurement of the four Stokes parameters at different frequencies with single-dish radiotelescopes. We are in the process of framing the observed full Stokes spectra within a theoretical model that explains that the level of measured circular polarization as Faraday conversion.
5 pages, Proceeding of "Astronomical Polarimetry 2008: Science from Small to Large Telescope"

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Instrumentation and Methods for Astrophysics, Cosmology and Nongalactic Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/217818

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0901.4678
 http://arxiv.org/abs/0901.4678

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arXiv