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Evolution of the Milliarcsecond Polarization Structure of the BL Lacertae Object OJ287
Published online by Cambridge University Press: 03 August 2017
Abstract
The λ6 cm total intensity and polarization structures of OJ287 have been determined at two epochs a year apart. At each epoch the source can be modeled as a linear structure consisting of a core and two knots at position angle PA ≃ −115°. This structure expanded slightly over a year, each knot increasing its separation from the core by ≃ 0.3 mas, suggesting an apparent superluminal velocity of ≃ 3.3h−1c for each.
- Type
- Extragalactic
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- Copyright © Reidel 1988