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A sensitive study of the peculiar jet structure HST-1 in M87
Carolina Casadio, José L. Gómez, Marcello Giroletti +5
To obtain a better understanding of the location and mechanisms for the production of the gamma-ray emission in jets of AGN we present a detailed study of the HST-1 structure, 0.8…
Binary black holes in nuclei of extragalactic radio sources
J. Roland, S. Britzen, A. Caproni +3
If we assume that nuclei of extragalactic radio sources contain binary black hole systems, the two black holes can eject VLBI components in which case two families of different VLB…
Catching the Radio Flare in CTA 102 III. Core-Shift and Spectral Analysis
C. M. Fromm, E. Ros, M. Perucho +5
The temporal and spatial spectral evolution of the jets of AGN can be studied with multi-frequency, multi-epoch VLBI observations. The combination of both, morphological and spectr…
Core-shift and spectral analysis of the 2006 radio flare in CTA102
C. M. Fromm, E. Ros, M. Perucho +4
The 2006 radio flare in the blazar CTA102 is the largest ever reported for this source. The analysis of the single--dish light curves revealed a possible shock-shock interaction as…