Table 4: Frequencies, amplitudes and phases derived from the Fourier analysis of the SAAO 1999 data. The uncertainty of the frequency is less than 0.04 d-1. Phase is relative to T0 = 1289.3706 ( $\Delta {\rm HJD}$).
year Frequency Period Amplitude Phase Conf
1999 (d-1) (min) (km s-1)   >$\%$
  f1:  33.289 43.257 1.320 0.864 99.9
  f2:  35.606 40.443 0.474 0.247 99.9
  f3:  28.503 50.521 0.195 0.958 99.9
  f4:  30.954 46.521 0.139 0.605 99.0
  f5:  33.862 42.525 0.099 0.423 99.0
  f6:  32.616 44.150 0.105 0.491 99.0
  f7:  34.88 41.28 0.1    
  f8:  35.28 40.82 0.05    


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