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High-Sensitivity 86GHz (3.5mm) VLBI Observations of M87: Deep Imaging of the Jet Base at a 10 Schwarzschild-Radius Resolution
Kazuhiro Hada, Motoki Kino, Akihiro Doi +9
We report on results from new high-sensitivity, high-resolution 86GHz (3.5 millimeter) observations of the jet base in the nearby radio galaxy M87, obtained by the Very Long Baseli…
Gamma-ray light curve and VLBI polarization connection in Mrk 421
M. Giroletti, F. D'Ammando, M. Orienti +6
We present Fermi-LAT and multi-frequency, multi-epoch VLBA data for the TeV blazar Mrk421. We collected the data during a long and intensive multi-frequency campaign in 2011. We st…
The connection between radio and high energy emission in black hole powered systems in the SKA era
M. Giroletti, M. Orienti, F. D'Ammando +9
Strong evidence exists for a highly significant correlation between the radio flux density and gamma-ray energy flux in blazars revealed by Fermi. However, there are central issues…