28 citations · 28 across the 5 of their papers we have counts for
10 papers
Viscous Transonic Accretion Flows in Kerr Black Hole Geometry
Abhrajit Bhattacharjee, Sandip K. Chakrabarti
We study viscous transonic accretion flows in vertical equilibrium in Kerr geometry. We employ the pseudo-Kerr formalism which accurately describes transonic flows around Kerr blac…
Effective potential approach to study hydrodynamics and particle dynamics in Kerr geometry
Abhrajit Bhattacharjee, Sandip K. Chakrabarti
We derive the exact form of effective potential in Kerr geometry from the general relativistic radial momentum equation. The effective potential accurately mimics the general relat…
Fresnel zone plates for Achromatic Imaging Survey of X-ray sources
S. Palit, S. K. Chakrabarti, D. Debnath +2
A telescope with Fresnel Zone Plates has been contemplated to be an excellent imaging mask in X-rays and gamma-rays for quite some time. With a proper choice of zone plate material…
CSPOB-Continuous Spectrophotometry of Black Holes
S. K. Chakrabarti, D. Bhoumik, D. Debnath +4
The goal of a small and dedicated satellite called the "Continuous Spectro-Photometry of Black Holes" or CSPOB is to provide the essential tool for the theoretical understanding of…
Properties of Accretion Shocks in Viscous Flows with Cooling Effects
Santabrata Das, Sandip K. Chakrabarti
Low angular momentum accretion flows can have standing and oscillating shock waves. We study the region of the parameter space in which multiple sonic points occur in viscous flows…
Spectral differences between the radio-loud and radio-quiet low-hard states of GRS 1915+105: possible detection of synchrotron radiation in X-rays
S. V. Vadawale, A. R. Rao, S. K. Chakrabarti
The Galactic microquasar GRS 1915+105 exhibits several episodes of steady X-ray emission characterized by a hard power-law spectrum and intense Quasi Periodic Oscillations. It is k…