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J/A+A/377/925
  Radial velocity curves of Vela X-1 (Barziv+, 2001)
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1.J/A+A/377/925/tablea1Observing log and radial velocities for the blue spectra (central wavelength 4102Å) (77 rows)
2.J/A+A/377/925/tablea2Observing log and radial velocities for the red spectra (central wavelength 5965Å) (104 rows)
3.J/A+A/377/925/tablea3IUE observations of HD 77581 (43 rows)

 
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1+2)Ident (char) Instrument identification (Note 1)   (meta.id;instr)
  (1+2)BJD d Barycentric-corrected Julian Date of observation (time.epoch)
   (ALL)phi  Orbital phase calculated using the ephemeris of Bildsten et al. (1997ApJS..113..367B) (time.phase)
  (1)RV4089 km/s Radial velocity of Si IV 4089Å spectral region (Note 2)   (phys.veloc;pos.heliocentric)
  (1)e_RV4089 km/s rms uncertainty on RV4089 (stat.error)
  (1)RV4097 km/s Radial velocity of N III 4097Å spectral region (Note 2)   (phys.veloc;pos.heliocentric)
  (1)e_RV4097 km/s rms uncertainty on RV4097 (stat.error)
  (1)RV4102 km/s (n) Radial velocity of Hδ 4102Å spectral region (Note 2)   (phys.veloc;pos.heliocentric)
  (1)e_RV4102 km/s (n) rms uncertainty on RV4102 (stat.error)
  (1)RV4116 km/s Radial velocity of SI IV 4116Å spectral region (Note 2)   (phys.veloc;pos.heliocentric)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_RV4116 km/s rms uncertainty on RV4116 (stat.error)
  (1+2)RVTot km/s Radial velocity of the ensemble of the two Si IV and the N III regions (phys.veloc;pos.heliocentric)
  (1+2)e_RVTot km/s rms uncertainty on RVTot (stat.error)
  (2)RV5676 km/s Radial velocity of N II 5676/9Å spectral region (Note 2)   (phys.veloc)
  (2)e_RV5676 km/s rms uncertainty on RV5676 (stat.error)
  (2)RV5697 km/s Radial velocity of N II 5697Å spectral region (Note 2)   (phys.veloc;pos.heliocentric)
  (2)e_RV5697 km/s rms uncertainty on RV5697 (stat.error)
  (2)RV5686 km/s Radial velocity of Al III 5686Å spectral region (Note 2)   (phys.veloc;pos.heliocentric)
  (2)e_RV5686 km/s rms uncertainty on RV5686 (stat.error)
  (2)RV5705 km/s (n) Radial velocity of C III 5705Å spectral region (Note 2)   (phys.veloc;pos.heliocentric)
  (2)e_RV5705 km/s (n) rms uncertainty on RV5705 (stat.error)
  (3)SWP  SWP number of spectrum in IUE archive (meta.id)
  (3)HJD d Julian Date at mid-exposure (time.epoch)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)ExpTime min Exposition time (time.duration;obs.exposure)
  (3)Vel km/s Velocity (Note 2)   (phys.veloc;pos.heliocentric)
  (3)e_Vel km/s rms uncertainty on Vel (1σ error) (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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