Speaker
Martin Urbanec
Description
We report our recent results on measuring mass and radius using kHz quasi-periodic oscillations. We focus on the mass and radius of 4U1608-52 where independent measurement comes from X-ray bursts. We show that the cusp-torus model is preferred over the relativistic precession model. The cusp torus model gives better fits to the observed frequencies and predicts values of mass and radius that are in better agreement with measurements from X-ray bursts.
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Primary author
Co-authors
Zuzana Turoňová
Monika Matuszková
Kateřina Klimovičová
(Silesian University in Opava)
Gabriela Urbancová
(Silesian University in Opava)
Gabriel Török
(Silesian University in Opava)