The 2006 Radio Flare in the Jet of CTA 102
C. M. Fromm (MPIfR), E. Ros (U. Valencia, MPIfR), T. Savolainen, (MPIfR), M. Perucho (U. Valencia), A. P. Lobanov (MPIfR), J. A. Zensus, (MPIfR)
TL;DR
This paper investigates the 2006 radio flare in blazar CTA 102 using VLBI observations, revealing an interaction between traveling and standing shocks near the jet core that affected jet kinematics.
Contribution
It provides new insights into jet dynamics during a major flare by modeling shock interactions using high-resolution VLBI data.
Findings
Evidence of shock interaction near the jet core during the flare
Altered jet kinematics linked to shock interactions
Identification of a standing shock 0.2 mas from the core
Abstract
The blazar CTA 102 underwent a major radio flare in April 2006. We used several 15 GHz VLBI observations from the MOJAVE program to investigate the influence of this extreme event on jet kinematics. The result of modeling and analysis lead to the suggestion of an interaction between traveling and standing shocks 0.2 mas away from the VLBI core.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Radio Astronomy Observations and Technology · Radio Wave Propagation Studies