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Outflow Behavior from the Transonic Advective Disks: A Hydrodynamical Simulation Study
Sanjit Debnath, Indranil Chattopadhyay, Raj Kishor Joshi +3
We investigate the properties of outflows from the transonic advective accretion disk using hydrodynamical numerical simulations. We consider two different disk temperatures with a…
Effect of Multi-Species Plasma on Fanaroff-Riley Radio Jets
Priyesh Kumar Tripathi, Indranil Chattopadhyay, Raj Kishor Joshi +3
The Fanaroff-Riley (FR) dichotomy observed in extragalactic radio jets has been attributed to a range of possible mechanisms, including intrinsic jet properties such as the presenc…
QPOs from the Viscous Transonic Accretion Flow Around a Spinning Black Hole
Sanjit Debnath, Indranil Chattopadhyay, Soumyadip Mandal +3
We investigate the dynamics of transonic advective accretion flows around spinning black holes in the presence of viscosity. The spacetime of a Kerr black hole is approximated usin…
How Plasma Properties of the Fanaroff-Riley Jet can Shape its Morphology
Priyesh Kumar Tripathi, Indranil Chattopadhyay, Raj Kishor Joshi +3
Extragalactic jets are broadly classified into two categories based on radio observations: core-brightened jets, known as Fanaroff-Riley Type I (FR I), and edge-brightened jets, cl…
Magnetohydrodynamic Simulations of Transonic Accretion Flows
Raj Kishor Joshi, Antonios Tsokaros, Sanjit Debnath +2
Theoretical studies of transonic accretion onto black holes reveal a wide range of possible solutions, broadly classified into smooth flows and flows featuring shocks. Accretion so…
Dynamical properties of oscillating, viscous, transonic accretion disks around black holes
Sanjit Debnath, Indranil Chattopadhyay, Raj Kishor Joshi +3
We investigate the time evolution of sub-Keplerian transonic accretion flow onto a non-rotating black hole using axisymmetric viscous hydrodynamic simulations. We simulate the accr…
Radiative acceleration of relativistic jets from accretion discs around black holes
Indranil Chattopadhyay, Raj Kishor Joshi, Sanjit Debnath +2
Matter falling onto black holes, {also called} accretion discs, emit intense high-energy radiation. Accretion discs during {hard to hard intermediate} spectral states also emit bip…
Oscillating shocks in the transonic, viscous, variable , accretion flows around black holes
Sanjit Debnath, Indranil Chattopadhyay, Raj Kishor Joshi
We investigate the time evolution of the transonic-viscous accretion flow around a non-rotating black hole. The input parameters used for the simulation are obtained from semi-anal…