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Long-term monitoring of Sgr A* at 7 mm with VERA and KaVA
Kazunori Akiyama, Motoki Kino, Bong Won Sohn +3
We present the results of radio monitoring observations of Sgr A* at 7 mm (i.e. 43 GHz) with VLBI Exploration of Radio Astrometry (VERA), which is a VLBI array in Japan. VERA provi…
The TeV blazar Markarian 421 at the highest spatial resolution
M. G. Blasi, R. Lico, M. Giroletti +14
We report the results obtained for the AGN Markarian 421 by model-fitting the data in the visibility plane, studing the proper motion of jet components, the light curve, and the sp…
High-Angular-Resolution and High-Sensitivity Science Enabled by Beamformed ALMA
Vincent Fish, Walter Alef, James Anderson +66
An international consortium is presently constructing a beamformer for the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile that will be available as a facility instrum…
Innermost collimation structure of the M87 jet down to ~ten Schwarzschild radii
Kazuhiro Hada, Motoki Kino, Akihiro Doi +6
We investigated the detailed inner jet structure of M87 using the Very Long Baseline Array data at 2, 5, 8.4, 15, 23.8, 43, and 86 GHz, especially focusing on the multi-frequency p…
New class of Very High Energy gamma-ray emitter: radio-dark mini-shells surrounding AGN jets
Motoki Kino, Hirotaka Ito, Nozomu Kawakatu +1
We explore non-thermal emission from a shocked interstellar medium, which is identified as an expanding shell, driven by a relativistic jet in active galactic nuclei (AGNs). In thi…