SIMBAD references

2006MNRAS.366.1373Z - Mon. Not. R. Astron. Soc., 366, 1373-1377 (2006/March-2)

The correlations between the twin kHz quasi-periodic oscillation frequencies of low-mass X-ray binaries.

ZHANG C.M., YIN H.X., ZHAO Y.H., ZHANG F. and SONG L.M.

Abstract (from CDS):

We analyzed the recently published kHz quasi-period oscillaiton (QPO) data in the neutron star low-mass X-ray binaries (LMXBs), in order to investigate the different correlations of the twin-peak kHz QPOs in bright Z sources and in the less luminous Atoll sources. We find a power-law relation ν1∼ν^b^2between the upper and the lower kHz QPOs with different indices: b≃ 1.5 for the Atoll source 4U 1728-34 and b≃ 1.9 for the Z source Sco X-1. The implications of our results for the theoretical models for kHz QPOs are discussed.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

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

Simbad objects: 19

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