The different flavors of extragalactic jets: Magnetized relativistic flows
arxiv(2024)
Abstract
We perform three-dimensional numerical simulations of magnetized relativistic
jets propagating in a uniform density environment in order to study the effect
of the entrainment and the consequent deceleration, extending a previous work
in which magnetic effects were not present. As in previous papers, our aim is
to understand the connection between the jet properties and the resulting
Fanaroff-Riley classification. We consider jets with different low densities,
and therefore low power, and different magnetizations. We find that lower
magnetization jets effectively decelerate to sub-relativistic velocities and
may then result in an FR~I morphology on larger scales. At the opposite, in the
higher magnetization cases, the entrainment and consequent deceleration are
substantially reduced. }
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