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astro-ph.GA2025
Dynamical Mechanism of Episodic Gas Accretion to the Central Region of Spiral Galaxies
Naomichi Yutani, Nozomu Kawakatu, Takayuki Saitoh +1
We performed \textit{N}-body/SPH simulations of isolated spiral galaxies with various bulge-to-disk mass ratios () from 0.02 to 0.2 to investigate mass…
astro-ph.HE2025
On the origin of short-lived cocoon in 3C84: powered by tidal disruption events ?
Nozomu Kawakatu, Motoki Kino, Keiichi Wada
We evaluated the jet power and the density of ambient matter in 3C 84 by using the momentum balance along the jet axis and the transonic condition for the cocoons observed at two d…