2007MNRAS.376.1133B

Query : 2007MNRAS.376.1133B

2007MNRAS.376.1133B - Mon. Not. R. Astron. Soc., 376, 1133-1138 (2007/April-2)

On the kHz QPO frequency correlations in bright neutron star X-ray binaries.

BELLONI T., MENDEZ M. and HOMAN J.

Abstract (from CDS):

We re-examine the correlation between the frequencies of upper and lower kHz quasi-periodic oscillations (QPO) in bright neutron star low-mass X-ray binaries. By including the kHz QPO frequencies of the X-ray binary Cir X-1 and two accreting millisecond pulsars in our sample, we show that the full sample does not support the class of theoretical models based on a single resonance, while models based on relativistic precession or Alfvén waves describe the data better. Moreover, we show that the fact that all sources follow roughly the same correlation over a finite frequency range creates a correlation between the linear parameters of the fits to any subsample.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

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

Simbad objects: 17

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Number of rows : 17
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* V1055 Ori LXB 06 17 07.3565603963 +09 08 13.515857360   18.80 18.5     ~ 594 1
2 V* BR Cir HXB 15 20 40.8532547060 -57 10 00.206639033   21.4 21.4     B5-A0I 849 1
3 V* V381 Nor HXB 15 50 58.6637920704 -56 28 35.258385000           K3III 1254 0
4 V* QX Nor LXB 16 12 43.0 -52 25 26           ~ 946 1
5 V* V818 Sco LXB 16 19 55.0692669024 -15 38 25.017666540 11.60 12.40 11.1     Oev 1730 0
6 V* V801 Ara LXB 16 40 55.5976953528 -53 45 04.948107156 17.50 18.20 17.5   17.07 ~ 921 0
7 4U 1642-45 LXB 16 45 48.1 -45 36 42           ~ 467 1
8 V* V1033 Sco HXB 16 54 00.1423963019 -39 50 44.761701340       16.14   F3-6IV 1980 0
9 NAME Slow Burster LXB 17 31 58.0 -33 49 58     15.50     ~ 865 1
10 NAME XTE J17464-3213 LXB 17 46 15.59637 -32 14 00.8600           ~ 805 0
11 4U 1758-25 LXB 18 01 09.7308060816 -25 04 44.120221284     11.08     ~ 705 1
12 [KRL2007b] 304 LXB 18 06 59.8 -29 24 30           ~ 228 0
13 SAX J1808.4-3658 LXB 18 08 27.58 -36 58 43.9           ~ 1051 0
14 V* NP Ser LXB 18 16 01.7 -14 02 09   18.8       K 683 2
15 X Sgr X-4 LXB 18 23 40.57 -30 21 40.6   19.06 18.81     ~ 1056 1
16 Granat 1915+105 HXB 19 15 11.55576 +10 56 44.9052           ~ 2810 0
17 V* V1405 Aql LXB 19 18 47.6 -05 14 18 20.90 21.40 21.0     ~ 495 0

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