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J/AJ/131/1
 Binary quasars in the SDSS (Hennawi+, 2006)
Post annotation
img(gal)
1.J/AJ/131/1/binqsoBinary or projected pairs of qyasars, or quasar-star pairs (tables 2, 3, 4, 8, 9 and 10 of paper) (890 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)
  n_Name1 (char) 2 for binary quasars with 3"<Δθ<60", 3 for binary quasars with Δθ<3", 4 for binary quasars in overlapping plates; 8 and 9 for projected pairs of quasars; s for QSO-star pair (meta.id;meta.dataset)
  Name1 (char) Quasar A name (Note 1)   (meta.id;meta.main)
  Name2 (char) Quasar B name (Note 1)   (meta.id.assoc)
  z1  Quasar A redshift (src.redshift)
  z2  (n) Quasar B redshift (src.redshift)
  theta arcsec Angular separation (pos.angDistance)
  dV km/s (n) Velocity of quasar B relative to A (phys.veloc;arith.diff)
  r kpc (n) Transverse proper separation in h–1kpc (pos.pm)
  chi2  Color similarity statistic value (stat.fit.chi2)
  RA1 "h:m:s" Hour of Quasar A Right Ascension (J2000) (pos.eq.ra)

ALL cols
    
(n) indicates a possible blank or NULL column  
  DE1 "d:m:s" Degree of Quasar A Declination (J2000) (pos.eq.dec)
  umag1 mag The Quasar A SDSS u band PSF magnitude (Note 2)   (phot.mag;em.opt.U)
  gmag1 mag The Quasar A SDSS g band PSF magnitude (Note 2)   (phot.mag;em.opt.B)
  rmag1 mag The Quasar A SDSS r band PSF magnitude (Note 2)   (phot.mag;em.opt.R)
  imag1 mag The Quasar A SDSS i band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
  zmag1 mag The Quasar A SDSS z band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
  RA2 "h:m:s" Hour of Quasar B Right Ascension (J2000) (pos.eq.ra)
  DE2 "d:m:s" Degree of Quasar B Declination (J2000) (pos.eq.dec)
  umag2 mag The Quasar B SDSS u band PSF magnitude (Note 2)   (phot.mag;em.opt.U)
  gmag2 mag The Quasar B SDSS g band PSF magnitude (Note 2)   (phot.mag;em.opt.B)
  rmag2 mag The Quasar B SDSS r band PSF magnitude (Note 2)   (phot.mag;em.opt.R)
  imag2 mag The Quasar B SDSS i band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
  zmag2 mag The Quasar B SDSS z band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
  Sample (char) Selection algorithm used to find the binary (meta.note)
  SDSS  Details from SDSS-DR6 (Cat. II/282) (meta.ref.url)

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