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J/MNRAS/392/19
 The 2dF-SDSS QSO survey (Croom+, 2009)
Post annotation
img(gal)
1.J/MNRAS/392/19/2slaqqso2SLAQ spectroscopic catalogue, built using add_IDs.pl version 1.2 (2008/02/16) (54457 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)
  Name (char) Source name (JHHMMSS.ss+DDMMSS.s) (not identical to SDSS name) (meta.id;meta.main)
  n_Name (char) r indicates several observations in repeats file (meta.ref.url)
  Pr   [3/6] Configuration priority for 2dF (meta.code)
  Run  SDSS Run number (meta.id)
  Rerun  SDSS Rerun number (meta.id)
  Camcol  SDSS camera number (meta.id)
  Field  SDSS Field number (meta.id)
  ID  SDSS object id within a field (meta.id)
  umag mag SDSS PSF u magnitude (Note 1)   (phot.mag;em.opt.U)
  e_umag mag (n) rms uncertainty on umag (stat.error;phot.mag;em.opt.U)

ALL cols
    
(n) indicates a possible blank or NULL column  
  gmag mag SDSS PSF g magnitude (Note 1)   (phot.mag;em.opt.B)
  e_gmag mag (n) rms uncertainty on gmag (stat.error;phot.mag;em.opt.B)
  rmag mag SDSS PSF r magnitude (Note 1)   (phot.mag;em.opt.R)
  e_rmag mag (n) rms uncertainty on rmag (stat.error;phot.mag;em.opt.R)
  imag mag SDSS PSF i magnitude (Note 1)   (phot.mag;em.opt.I)
  e_imag mag (n) rms uncertainty on imag (stat.error;phot.mag;em.opt.I)
  zmag mag SDSS PSF z magnitude (Note 1)   (phot.mag;em.opt.I)
  e_zmag mag (n) rms uncertainty on zmag (stat.error;phot.mag;em.opt.I)
  ured mag Extinction in u band (phot.color.excess)
  gred mag Extinction in g band (phot.color.excess)
  rred mag Extinction in r band (phot.color.excess)
  ired mag Extinction in i band (phot.color.excess)
  zred mag Extinction in z band (phot.color.excess)

ALL cols
    
(n) indicates a possible blank or NULL column  
  S/G  (n) SDSS Bayesian star-galaxy classification probability (meta.code.class;stat.probability)
  Cl   [3,6] SDSS Object image morphology classification. 3 = galaxy, 6 = star (src.class.starGalaxy)
  zem.S  (n) SDSS emission spectroscopic redshift (src.redshift;pos.heliocentric)
  q_zem.S   [0/1] SDSS spectroscopic quality flag, from 0 (bad) to 1 (good) (meta.code.qual)
  ID.S (char) SDSS spectroscopic classification (src.class)
  bj mag (n) 2QZ bJ magnitude (Smith et al. 2005MNRAS.359...57S) (phot.mag;em.opt.B)
  zem2q  (n) 2QZ emission spectroscopic redshift (Croom et al., Cat. VII/241) (src.redshift;pos.heliocentric)
  q_zem2q  (n) 2QZ redshift quality flag (Note 2)   (meta.code.qual)
  ID2q (char) 2QZ spectroscopic classification (src.class)
  q_ID2q  (n) 2QZ ID quality flag (Note 2)   (meta.code.qual)
  2QZ (char) 2QZ name (JHHMMSS.s+DDMMSS, Cat. VII/241) (meta.id)
  z2S  (n) 2SLAQ spectroscopic redshift (src.redshift;pos.heliocentric)
  q_z2S  (n) 2SLAQ redshift quality flag (Note 2)   (meta.code.qual)

ALL cols
    
(n) indicates a possible blank or NULL column  
  ID2S (char) 2SLAQ spectroscopic ID (i.e. QSO, NELG, star etc.) (src.class)
  q_ID2S  (n) 2SLAQ ID quality flag (Note 2)   (meta.code.qual)
  Date "Y:M:D" (n) 2SLAQ spectroscopic observation date (time.epoch;obs)
  Fl2S (char) 2SLAQ spectroscopic field (obs.field)
  Fb2S   [0/357] 2SLAQ spectroscopic fibre number (meta.note)
  S/N  2SLAQ spectroscopic S/N in a 4000-5000Å band (stat.snr)
  dmag mag (n) 2SLAQ (gm mag)-(fibre mag) relative to mean zero point in field (phot.mag)
  FX 10-16W/m2RASS X-ray flux (in 10–13erg/cm2/s) (phot.flux;em.X-ray)
  F1.4 mJy FIRST 1.4 GHz Radio flux (phot.flux.density;em.radio.750-1500MHz)
  n_F1.4   [0/3] FIRST morphology (Note 3)   (meta.note)
  Com (char) 2SLAQ comment on spectrum (meta.note)
  DR7  Details from SDSS-DR7 (Adelman-McCarthy et al., Cat. II/294) (meta.ref.url)
  SDSS  Display the SDSS data from the SDSS pages (meta.ref.url)
  RAJ2000 deg Right ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)

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