Physical Conditions and Variability Processes in AGN Jets through Multi-Frequency Linear and Circular Radio Polarization Monitoring
Abstract
:1. Introduction/Overview
2. High-Precision Linear and Circular Polarimetry with the 100-m Telescope
2.1. Instrumental Linear Polarization Correction
2.2. Optimization of Beam Pattern Fitting Model
2.3. Instrumental Circular Polarization Correction
3. Probing the Physical Conditions in the Jet of 3C 454.3
3.1. Model Overview
3.2. 3C 454.3: A Case Study
3.2.1. Linear and Circular Polarization Variability
- (1)
- A minimization of the linear polarization degree, concurrent with a polarization angle rotation of exactly 90,
- (2)
- a minimization of the circular polarization degree, followed by a change in the circular polarization handedness and
- (3)
- a maximization of the total flux when the peak of the SSA spectrum matches the observing frequency.
3.2.2. Variability Modeling and Constrained Parameters
- the coherence length of the jet’s magnetic field, which is in principle equal to the cell size of our model, to ∼9 pc,
- the jet plasma density to ∼10–100 cm,
- the compression factor of the propagating shock, , and
4. Discussion/Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
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Myserlis, I.; Angelakis, E.; Kraus, A.; Fuhrmann, L.; Karamanavis, V.; Zensus, J.A. Physical Conditions and Variability Processes in AGN Jets through Multi-Frequency Linear and Circular Radio Polarization Monitoring. Galaxies 2016, 4, 58. https://doi.org/10.3390/galaxies4040058
Myserlis I, Angelakis E, Kraus A, Fuhrmann L, Karamanavis V, Zensus JA. Physical Conditions and Variability Processes in AGN Jets through Multi-Frequency Linear and Circular Radio Polarization Monitoring. Galaxies. 2016; 4(4):58. https://doi.org/10.3390/galaxies4040058
Chicago/Turabian StyleMyserlis, Ioannis, Emmanouil Angelakis, Alex Kraus, Lars Fuhrmann, Vassilis Karamanavis, and J. Anton Zensus. 2016. "Physical Conditions and Variability Processes in AGN Jets through Multi-Frequency Linear and Circular Radio Polarization Monitoring" Galaxies 4, no. 4: 58. https://doi.org/10.3390/galaxies4040058