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J/ApJ/747/10
  X-ray and multiwavelength properties of 11 WLQs (Wu+, 2012)
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img(gal)
1.J/ApJ/747/10/table3Continuum S/N values for SDSS DR7 quasars (105783 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  SDSS (char) SDSS name (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)
  imag mag [0/22.36] The apparent i-band magnitude (Note 1)   (phot.mag;em.opt.I)
  z   [0.06/5.47] Redshift (Note 2)   (src.redshift)
  MJD d Modified Julian Day (time.epoch)
  Plate  Plate number (meta.id;instr.plate)
  Fiber  Fiber number (meta.id)
  SN170  (n) [0/85] Signal-to-noise ratio at 1650-1750A (Note 3)   (stat.snr)
  Np170  Number of pixels at 1650-1750 A (Note 4)   (meta.number)
  1700l 0.1nm (n) Wavelength lower limit; in Angstroms (Note 5)   (em.wl)
  1700u 0.1nm (n) [3788/9256] Wavelength upper limit; in Å (Note 6)   (em.wl)
  SN300  (n) [0/77] Signal-to-noise ratio at 2950-3050A (Note 3)   (stat.snr)
  Np300  Number of pixels at 2950-3050 A (Note 4)   (meta.number)
  3000l 0.1nm (n) Wavelength lower limit; in Angstroms (Note 5)   (em.wl)
  3000u 0.1nm (n) [3796/9270] Wavelength upper limit; in Å (Note 6)   (em.wl)
  SN515  (n) [0/82] Signal-to-noise ratio at 5100-5200 A (Note 3)   (stat.snr)
  Np515  Number of pixels at 2950-3050 A (Note 4)   (meta.number)
  5150l 0.1nm (n) Wavelength lower limit; in Angstroms (Note 5)   (em.wl)
  5150u 0.1nm (n) [5535/9273] Wavelength upper limit; in Å (Note 6)   (em.wl)
  Sloan  Display the online SDSS data for this quasar (meta.ref.url)

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