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Open AccessArticle

Polarization Vector Rotations: Real, Spurious, Hidden and Imaginary

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Astronomical Institute, St.-Petersburg State University, St.-Petersburg 198504, Russia
2
Institute for Astrophysical Research, Boston University, Boston, MA 02215, USA
3
Steward Observatory, University of Arizona, Tucson, AZ 85721, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Emilio Elizalde
Galaxies 2016, 4(4), 43; https://doi.org/10.3390/galaxies4040043
Received: 14 July 2016 / Revised: 26 September 2016 / Accepted: 27 September 2016 / Published: 11 October 2016
(This article belongs to the Special Issue Blazars through Sharp Multi-wavelength Eyes)
Large and variable polarization is an inherent property of a majority of blazars. Systematic rotations of the polarization vector have been claimed for several blazars. In some cases, however, the reality of these rotations may be questionable. We suggest an additional method for the verification of the reality of polarization position angle rotations based on the correlation of the normalized Stokes parameters. View Full-Text
Keywords: blazars; polarimetry; methods of analysis blazars; polarimetry; methods of analysis
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Larionov, V.M.; Jorstad, S.G.; Marscher, A.P.; Smith, P.S. Polarization Vector Rotations: Real, Spurious, Hidden and Imaginary. Galaxies 2016, 4, 43.

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