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On the phenomenological classification of continuum radio spectra variability patterns of Fermi blazars
E. Angelakis, L. Fuhrmann, I. Nestoras +9
The F-GAMMA program is a coordinated effort to investigate the physics of Active Galactic Nuclei (AGNs) via multi-frequency monitoring of {\em Fermi} blazars. The current study is…
Simulation of Shock-Shock interaction in parsec-scale jets
Christian M. Fromm, Manel Perucho, Eduardo Ros +4
The analysis of the radio light curves of the blazar CTA102 during its 2006 flare revealed a possible interaction between a standing shock wave and a traveling one. In order to bet…
Relativistic Outflow Drives Gamma-Ray Emission in 3C345
F. K. Schinzel, A. P. Lobanov, G. B. Taylor +3
Aims: 3C345 was recently identified as a gamma-ray emitter, based on the first 20 months of Fermi-LAT data and optical monitoring. In this paper, a connection between the gamma-ray…
Structural variability of 3C 111 on parsec scales
C. Großberger, M. Kadler, J. Wilms +15
We discuss the parsec-scale structural variability of the extragalactic jet 3C 111 related to a major radio flux density outburst in 2007. The data analyzed were taken within the s…
Simultaneous Planck, Swift, and Fermi observations of X-ray and gamma-ray selected blazars
P. Giommi, G. Polenta, A. Lahteenmaki +92
We present simultaneous Planck, Swift, Fermi, and ground-based data for 105 blazars belonging to three samples with flux limits in the soft X-ray, hard X-ray, and gamma-ray bands.…
High-frequency very long baseline interferometry studies of NRAO 530
R. -S. Lu, T. P. Krichbaum, J. A. Zensus
NRAO 530 is an optically violent variable source and has been studied with multi-epoch multi-frequency high-resolution VLBI observations. NRAO 530 was monitored with the VLBA at th…