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Table 2

Results from the RXTE timing analysis.

Obs. 1 Obs. 2 Obs. 6 Obs. 8 Obs. 9

ν 1 7.5 ± 7 10 ± 8 12 ± 10
FWHM 174 ± 14 29 ± 14 22 ± 20
Norm. 21.7 ± 1.2 1.7 ± 0.8 1.1 ± 0.6
rms (%) 16.4 ± 0.4 6.2 ± 0.3 8.3 ± 0.6

ν 2 48 ± 13 36 ± 11 82 ± 19 77 ± 25
FWHM 147 ± 15 166 ± 12 137 ± 25 160 ± 24
Norm. 17.2 ± 1.5 9.1 ± 0.5 1.3 ± 0.4 1.3 ± 0.4
rms (%) 16.4 ± 0.7 16.5 ± 0.5 6.5 ± 0.3 8.4 ± 0.6

ν QPO 231 ± 5 226 ± 8 233 ± 4
FWHM 16 ± 11 33 ± 18 17 ± 16
Norm. 0.46 ± 0.15 0.16 ± 0.06 0.12 ± 0.04
rms (%) 3.8 ± 2.1 2.3 ± 1.0 2.7 ± 1.8

ΓPoisson 0 0 0 0 0
N Poisson 1.84 ± 0.04 1.59 ± 0.05 1.79 ± 0.03 1.90 ± 0.03 1.93 ± 0.03

χ 2 / ν 0.84 (213 / 252) 1.0 (253 / 252) 0.98 (243 / 249) 0.99 (244 / 246) 0.80 (196 / 246)

Notes. Model used: lorentz+lorentz+lorentz+powerlaw for five RXTE/PCA observations. The PDS were created in the (2–60) keV energy band and (8 × 10-3−4) Hz frequency range. The frequency and width (ν and FWHM) of the components are shown in units of mHz. Errors are 68% confidence errors.

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