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Fate of baby radio galaxies: Dead or Alive ?
Nozomu Kawakatu, Hiroshi Nagai, Motoki Kino
In order to reveal the long-term evolution of relativistic jets in active galactic nuclei (AGNs), we examine the dynamical evolution of variously-sized radio galaxies [i.e., compac…
New prediction of extragalactic GeV gamma-ray emission from radio lobes of young AGN jets
M. Kino, H. Ito, N. Kawakatu +1
We present a new prediction of GeV -ray emission from radio lobes of young AGN jets. In the previous work of Kino et al. (2007), MeV -ray bremsstrahlung emission was predicte…
The estimate of kinetic powers of jets in FRII radio galaxies: existence of invisible components?
H. Ito, M. Kino, N. Kawakatu +2
We investigate the total kinetic powers (L_j) and ages (t_age) of powerful jets in FR II radio galaxies by comparison of the dynamical model of expanding cocoons with observations.…
The Fate of Young Radio Galaxies: Decelerations Inside Host Galaxies?
Nozomu Kawakatu, Hiroshi Nagai, Motoki Kino
We examine the evolution of variously-sized radio galaxies [i.e., compact symmetric objects (CSOs), medium-size symmetric objects (MSOs), Fanaroff-Riley type II radio galaxies (FRI…
Funnel-flow accretion onto highly magnetized neutron stars and shock generation
Shigeyuki Karino, Motoki Kino, John C. Miller
In this paper, we initiate a new study of steady funnel-flow accretion onto strongly magnetized neutron stars, including a full treatment of shock generation. As a first step, we a…
Invisible Plasma Content in Blazars? The Case of Markarian 421
M. Kino, F. Takahara
Invisible plasma content in blazar jets such as protons and/or thermal electron-positron () pairs is explored through combined arguments of dynamical and radiative process…