SIMBAD references

2016MNRAS.462L..98A - Mon. Not. R. Astron. Soc., 462, L98-L100 (2016/October-2)

QPO frequency derivative-frequency correlation indicates non-Keplerian boundary layer with a maximum in rotation rate.

ALPAR M.A.

Abstract (from CDS):

The correlation between the frequency and the absolute value of the frequency derivative of the kilohertz quasi-periodic oscillations (QPOs) observed for the first time from 4U 1636-53 is a simple consequence and indicator of the existence of a non-Keplerian rotation rate in the accretion disc boundary layer. This Letter interprets the observed correlation, showing that the observations provide strong evidence in support of the fundamental assumption of disc accretion models around slow rotators, that the boundary layer matches the Keplerian disc to the neutron star magnetosphere.

Abstract Copyright: © 2016 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): accretion, accretion discs - stars: neutron - X-rays: binaries - X-rays: binaries

Simbad objects: 2

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