157 citations · 984 across the 37 of their papers we have counts for
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Simulations of flux variability of oscillating accretion fluid tori around Kerr black holes
Pavel Bakala, Kateřina Goluchová, Eva Šrámková +4
High frequency quasi-periodic oscillations (HF QPOs) are observed in the X-ray power-density spectra (PDS) of several microquasars and low mass X-ray binaries. Many proposed QPO mo…
Super-spinning compact objects and models of high-frequency quasi-periodic oscillations observed in Galactic microquasars
Andrea Kotrlova, Gabriel Torok, Eva Sramkova +1
We have previously applied several models of high-frequency quasi-periodic oscillations (HF QPOs) to estimate the spin of the central Kerr black hole in the three Galactic microqua…
Mass-angular-momentum relations implied by models of twin peak quasi-periodic oscillations
Gabriel Torok, Pavel Bakala, Eva Sramkova +3
Twin peak quasi-periodic oscillations (QPOs) appear in the X-ray power-density spectra of several accreting low-mass neutron star (NS) binaries. Observations of the peculiar Z-sour…
Appearance of innermost stable circular orbits of accretion discs around rotating neutron stars
G. Torok, M. Urbanec, K. Adamek +1
The innermost stable cicular orbit (ISCO) of an accretion disc orbiting a neutron star (NS) is often assumed a unique prediction of general relativity. However, it has been argued…
Distinguishing between spot and torus models of high-frequency quasiperiodic oscillations
V. Karas, P. Bakala, G. Torok +8
In the context of high-frequency quasi-periodic oscillation (HF QPOs) we further explore the appearance of an observable signal generated by hot spots moving along quasi-elliptic t…
Spectral signature of oscillating slender tori surrounding Kerr black holes
F. H. Vincent, G. P. Mazur, O. Straub +4
Context. Some microquasars exhibit millisecond quasi-periodic oscillations (QPO) that are likely related to phenomena occuring in the immediate vicinity of the central black hole.…