INDU KALPA DIHINGIA
Articles written in Journal of Astrophysics and Astronomy
Volume 39 Issue 1 February 2018 Article ID 0006 Review
We study the properties of sub-Keplerian accretion disk around a stationary black hole, considering bremsstrahlung, synchrotron and Comptonization of synchrotron photons as radiative cooling mechanisms active in the disk. We obtain the solutions of two-temperature global accretion flow (TTAF) and compare it with the results obtained from single-temperature (STAF) model.We observe that flow properties, in particular, the radial profile of electron and ion temperatures differ noticeably in the adopted models for flows with identical boundary conditions fixed at the outer edge of the disk. Since the electron temperature is one of the key factors to regulate the radiative processes, we argue that physically motivated description of electron temperature needsto be considered in studying the astrophysical phenomena around black holes.
Volume 41, 2020
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