2 papers
astro-ph.HE2026
A GRMHD-Calibrated Semi-Analytical Model for Hot Sub-Keplerian Accretion Flows in Kerr Spacetime
Nabin Bhushal, Manil Khatiwada, Yogesh Maharjan +2
We develop a simple, semi-analytical, kinematic model for hot, thick accretion flows, constructed by interpolating between Keplerian and free-fall geodesic solutions in the Kerr me…
astro-ph.HE2025
Probing X-ray Timing and Spectral Variability in the Blazar PKS 2155-304 Over a Decade of XMM-Newton Observations
Gopal Bhatta, Suvas C. Chaudhary, Niraj Dhital +5
Blazars, a class of active galactic nuclei (AGN) powered by supermassive black holes, are known for their remarkable variability across multiple timescales and wavelengths. Despite…