Abstract Details
| Name: Aswin Nair Affiliation: Indian Institute of Science Education and Research Mohali Conference ID: ASI2025_715 Title : Numerical Simulation of accretion onto compact objects with hard surface Authors and Co-Authors : Aswin R Nair 1, Indranil Chattopadhyay 2 Abstract Type : Poster Abstract Category : High Energy Phenomena, Fundamental Physics and Astronomy Abstract : Accretion onto a weakly magnetized compact object is studied analytically as well as numerically. We use pseudo-Newtonian potential to mimic strong gravity. Relativistically correct Chattopadhyay-Ryu (CR) equation of state is used to describe the thermodynamics of the relativistic gas. We analytically derive the conditions which demarcate accretion onto a compact object with and without a hard surface. We then regenerate these solutions numerically and at the same time ensuring the formation of a steady terminal shock close to the surface of the star. It is expected that if the flow is transonic then at least one terminal shock will form, but can additional shocks form? We are going to investigate that in case additional shocks do form, then what would be the observational signature of these shocks. |