| Author(s) and Co-Author(s) with Affiliation: Priyesh Kumar Tripathi(Aryabhatta Research Institute of Observational Sciences, Nainital- 263001, India; MJPRU, Bareilly- 243006, India), Indranil Chattopadhyay(Aryabhatta Research Institute of Observational Sciences, Nainital- 263001, India), Raj Kishor Joshi(Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Bartycka 18, PL-00-716 Warsaw, Poland), Ritaban Chatterjee(School of Astrophysics, Presidency University, 86/1 College Street, Kolkata, West Bengal- 700073, India), Sanjit Debnath(Aryabhatta Research Institute of Observational Sciences, Nainital- 263001, India), M. Saleem Khan(Department of Applied Physics, Mahatma Jyotiba Phule Rohilkhand University, Bareilly- 243006, India) |
| Abstract: The Fanaroff-Riley (FR) dichotomy observed in extragalactic radio jets has been linked to various explanations, including the jet power, the difference in their ambient environment, and the intrinsic properties of jet plasma itself, such as their composition. In this study, we present results from large-scale three-dimensional magnetohydrodynamic (3D-MHD) simulations of low-power, supersonic magnetized jets at kiloparsec scales. By varying the jet injection parameters, including the plasma composition, we investigate their impact on jet stability and on the development of diffuse structures characteristic of core-brightened FR type I sources. Our results demonstrate that the growth of the current-driven kink instability plays a crucial role in destabilizing the jet, leading to the disruption of the jet head. We also show the resulting transition from edge-brightened FR type II morphology to FR type I morphology at different stages of jet evolution using synthetic synchrotron emission maps. |
