Polarization Vector Rotations: Real, Spurious, Hidden and Imaginary
被引:10
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作者:
Larionov, Valeri M.
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机构:
St Petersburg State Univ, Astron Inst, St Petersburg 198504, RussiaSt Petersburg State Univ, Astron Inst, St Petersburg 198504, Russia
Larionov, Valeri M.
[1
]
Jorstad, Svetlana G.
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机构:
St Petersburg State Univ, Astron Inst, St Petersburg 198504, Russia
Boston Univ, Inst Astrophys Res, Boston, MA 02215 USASt Petersburg State Univ, Astron Inst, St Petersburg 198504, Russia
Jorstad, Svetlana G.
[1
,2
]
Marscher, Alan P.
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Boston Univ, Inst Astrophys Res, Boston, MA 02215 USASt Petersburg State Univ, Astron Inst, St Petersburg 198504, Russia
Marscher, Alan P.
[2
]
Smith, Paul S.
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Univ Arizona, Steward Observ, Tucson, AZ 85721 USASt Petersburg State Univ, Astron Inst, St Petersburg 198504, Russia
Smith, Paul S.
[3
]
机构:
[1] St Petersburg State Univ, Astron Inst, St Petersburg 198504, Russia
[2] Boston Univ, Inst Astrophys Res, Boston, MA 02215 USA
[3] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA
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.