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VizieR

  
VII/250
 The 2dF Galaxy Redshift Survey (2dFGRS) (2dFGRS Team, 1998-2003)
spectrum/gif
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img(gal)
1.VII/250/spectraObserved spectra (low-quality redshifts are written in red) (269937 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)
  SeqNum  Database serial number (SEQNUM) (meta.id)
  Name (char) 2dFGRS name (NAME) (meta.id;meta.main)
  ObsDate "Y:M:D" (n)UT date of observation (UTDATE) (time.epoch;obs)
  ObsRun (char) Observation run (OBSRUN) (obs.param;obs)
  z.obs  (n) Redshift (observed) (Z) (src.redshift;pos.heliocentric)
  z  (n) Redshift (heliocentric) (Z_HELIO) (src.redshift)
  q_z   [1,5] Redshift quality parameter (QUALITY) (meta.code.qual;src.redshift)
  n_z  Redshift type (abs=1, emi=2, man=3) (ABEMMA) (meta.note)
  z.abs  (n) Cross-correlation redshift (Z_ABS) (src.redshift;pos.heliocentric)
  T  Cross-correlation template (KBESTR) (stat.fit.param)
  Rx  (n) Cross-correlation R value (R_CRCOR) (stat.fit.param)
  z.em  (n) ?=-9.99 Emission redshift (Z_EMI) (src.redshift;pos.heliocentric)
  o_z.em  Number of emission lines (NMBEST) (meta.number)
  SNR  Median signal to noise ratio per pixel (SNR) (em.wl.central;stat.median)
  eta  (n) spectral type parameter (Note G1)   (stat.fit.param)

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(n) indicates a possible blank or NULL column  
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