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astro-ph.HE2025
Evidence of oscillating `compact' Comptonized corona in GRS 1915+105: Insights into HFQPOs with AstroSat
Sreehari Harikesh, Seshadri Majumder, Santabrata Das +1
We present, for the first time, an in-depth dynamical analysis of the spectro-temporal properties of the soft variability classes (, , , and ) of GRS 1915+105 during th…
astro-ph.HE2025★ 3 cited
Exploring lensing signatures through spectrotemporal correlations: implications for black hole parameter estimation
Sreehari Harikesh, Shahar Hadar, Doron Chelouche
Extreme gravitational lensing and relativistic frequency shifts, combined together, imply that radiation emitted from a black hole's vicinity can echo at different frequencies and…