Emission Knots and Polarization Swings of Swinging Jets
AbstractKnots (emission features in jets of active galactic nuclei) often show non-ballistic dynamics and variable emission/polarization properties. We model these features as emission pattern propagating in a jet that carries a helical magnetic field and is launched along a changing direction. The model can reproduce a wide range of phenomena observed in the motion of knots: non-ballistic motion (both smooth and occasional sudden change of direction, and/or oscillatory behavior), variable brightness, and confinement of knots’ motion within an overlaying envelope. The model also reproduces smooth large polarization angle swings, and at the same time allows for the seemingly random behavior of synchrotron fluxes, polarization fraction, and occasional
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Lyutikov, M.; Kravchenko, E. Emission Knots and Polarization Swings of Swinging Jets. Galaxies 2016, 4, 75.
Lyutikov M, Kravchenko E. Emission Knots and Polarization Swings of Swinging Jets. Galaxies. 2016; 4(4):75.Chicago/Turabian Style
Lyutikov, Maxim; Kravchenko, Evgeniya. 2016. "Emission Knots and Polarization Swings of Swinging Jets." Galaxies 4, no. 4: 75.
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