Jet bending and velocity profiles

TL;DR

This paper models the geometry and velocity profiles of curved astrophysical jets at parsec and kilo-parsec scales, using simplified numerical simulations to compare theoretical predictions with observational data.

Contribution

It introduces a simplified two-dimensional kinematical model for curved jets with variable velocity, applied to different scales and tested against real observational data.

Findings

Derived jet shapes for specific numerical cases

Compared model predictions with observational data of galaxy clusters

Validated the model's applicability to real jet structures

Abstract

In this study, we consider the problem of geometry of curved jets. We work with a simplified two-dimensional kinematical model assuming that the jet velocity is varying. We prescribe the velocity variation and study two cases concerning parsec and kilo-parsec scale jets by applying some simplified numerical simulations. For parsec scale jets, we use some general expressions and derive the shape of jets for certain numerical cases. For kilo-parsec scale jets, we study the cases of 4C53.37 and 1159+583 of Abell 2220 and Abell 1446 galaxy clusters, respectively, in an effort to test our model and compare our numerical results with observational data.