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Hysteresis of Backflow Imprinted in Collimated Jets
Akira Mizuta, Motoki Kino, Hiroki Nagakura
We report two different types of backflow from jets by performing 2D special relativistic hydrodynamical simulations. One is anti-parallel and quasi-straight to the main jet (quasi…
Multiwavelength monitoring of the enigmatic Narrow-Line Seyfert 1 PMN J0948+0022 in March-July 2009
LAT Collaboration, E. Angelakis, C. Bailyn +39
Following the recent discovery of gamma rays from the radio-loud narrow-line Seyfert 1 galaxy PMN J0948+0022 (z=0.5846), we started a multiwavelength campaign from radio to gamma r…
On the origin of Fanaroff-Riley classification of radio galaxies: Deceleration of supersonic radio lobes
Nozomu Kawakatu, Motoki Kino, Hiroshi Nagai
We argue that the origin of "FRI/FRI{-.1em}I dichotomy" -- the division between Fanaroff-Riley class I (FRI) with subsonic lobes and class I{-.1em}I (FRI{-.1em}I) radio sources wit…
High energy emission from AGN cocoons in clusters of galaxies
M. Kino, N. Kawakatu, H. Ito +1
Gamma-ray emission from cocoons of young radio galaxies is predicted. Considering the process of adiabatic injection of the shock dissipation energy and mass of the relativistic je…