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 2dF-SDSS Luminous Red Galaxy Survey, 2SLAQ (Cannon+, 2006) This catalogue is obsoleted by J/MNRAS/392/19
Post annotation
1.J/MNRAS/372/425/catalogThe 2SLAQ redshift catalogue (14978 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)
  2SLAQ (char) Object name, ( (;meta.main)
  RAJ2000 "h:m:s" Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" Declination (J2000) (pos.eq.dec;meta.main)
  Rmag mag Expected r-band fibre magnitude (Note 1)   (phot.mag;em.opt.R)
  tSp  Template spectrum used for best cross-correlation redshift (Note 2)   (meta.code)
  xcor  Cross-correlation (rx) parameter (Note 3)   (stat.snr)
  zabs  Absorption line redshift from best cross-correlation (src.redshift)
  q_zabs  Quality of auto redshift assessed by Zcode, after checking for emission lines (Note 4)   (meta.code.qual)
  q_xcor   [0/4] Quality of automatic xcorr redshift, as estimated by Zcode. (4 is best, 0 is useless) (meta.code.qual)
  z  Redshift finally adopted (= zabs unless manually modified) (src.redshift)

ALL cols
  q_z  Redshift quality adopted (= q_zabs unless manually modified by observer) (Note 5)   (meta.code.qual;src.redshift)
  f_z   [0/3] A flag indicating manual intervention (Note 6)   (meta.code)
  Field (char) 2dF field number. Format LNN, where L is a letter a-e for northern (Galactic) fields and L=s for the southern strip (;obs.field)
  Fiber  2dF fibre number (Note 7)   (meta.note)
  Date (char) 6-character identifier for the 2dF data set from which the spectrum was taken "DDMMYY" (Note 8)   (time.epoch)
  CCD   [2] Identifier of CCD and 2dF spectrograph. Always 2 for LRGs (spectrograph 1 was used for the QSOs) (
  2dF   [0/1] Field plate identifier (obs.field)
  Xpos um X position of object within 2dF field, in microns from the centre of the plate (Note 9)   (pos.cartesian.x;obs.field)
  Ypos um Y position of object within 2dF field, in microns from the centre of the plate (Note 9)   (pos.cartesian.y;obs.field)
  S/N  Average signal-to-noise ratio of spectrum (Note 10)   (stat.snr;stat.mean)
  xpmag mag (n) Magnitude derived from spectrum (Note 11)   (phot.mag;em.opt.R)
  Vmag mag (n) Spectral magnitude from counts over range 515-595nm, approximately the V photometric band (starting at 523nm for March 2003 data). (phot.mag;em.opt.V)
  rmag mag (n) Spectral magnitude over range 595-680nm, i.e. ∼ r-band. (phot.mag;em.opt.R)
  Pry  Priority flag (Note 13)   (meta.code)
  i(dev) mag SDSS extinction-corrected i-band 'de Vaucouleurs' magnitude (Note 14)   (phot.mag;em.opt.I)
  g-r mag SDSS reddening-corrected (g-r) 'ModelMag' colour index (Note 14)   (phot.color;em.opt.B;em.opt.R)
  r-i mag SDSS reddening-corrected (r-i) 'ModelMag' colour index (Note 14)   (phot.color;em.opt.R;em.opt.I)
  Ar mag SDSS absorption in the r-band (Note 14)   (phys.absorption)
  PryO  (n) Original 2SLAQ priority number (meta.code)
  NameOri (char) Original 2SLAQ 18-character object name used in 2003, blank for later data (Note 15)   (
  Com (char) Comments. Mostly copied from Zcode output. Most often blank (meta.note)
  SDSSdata  Display the SDSS data for this galaxy (meta.ref.url)

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