X-ray variability is ubiquitously observed in X-ray binaries, but the mechanism that causes this variability is incompletely understood. There are also many challenges in understanding the structure and geometry of the accretion flow: it is more complex than a simple accretion disc. Studies suggest that the accreting matter forms a hot inner gas flow (size and structure of which is unclear) along with the accretion disc. Maithili Kalamkar explores these unsolved issues.
M.N. Kalamkar, Probing Accretion Flow Dynamics in X-ray Binaries.
Prof. M.B.M. van der Klis
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