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VizieR

VII/250/spectra The 2dF Galaxy Redshift Survey (2dFGRS) (2dFGRS Team, 1998-2003)
Observed spectra (low-quality redshifts are written in red) (269937 rows)
  recno=188489
Post annotation about this record
ColumnValue  Explain   (UCD)
188489recno 188489  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqNum274290  (i) Database serial number (SEQNUM) (meta.id)
NameTGN356Z157  (i) 2dFGRS name (NAME) (meta.id;meta.main)
ObsDate2000-05-09 "Y:M:D" UT date of observation (UTDATE) (time.epoch;obs)
ObsRun00APR  Observation run (OBSRUN) (obs.param;obs)
z.obs 0.0442   Redshift (observed) (Z) (src.redshift;pos.heliocentric)
z 0.0441   Redshift (heliocentric) (Z_HELIO) (src.redshift)
q_z4   [1,5] Redshift quality parameter (QUALITY) (meta.code.qual;src.redshift)
n_z2  Redshift type (abs=1, emi=2, man=3) (ABEMMA) (meta.note)
z.abs 0.0446   Cross-correlation redshift (Z_ABS) (src.redshift;pos.heliocentric)
T3  Cross-correlation template (KBESTR) (stat.fit.param)
Rx 6.64   Cross-correlation R value (R_CRCOR) (stat.fit.param)
z.em 0.0442   ?=-9.99 Emission redshift (Z_EMI) (src.redshift;pos.heliocentric)
o_z.em3  Number of emission lines (NMBEST) (meta.number)
SNR 15.3  Median signal to noise ratio per pixel (SNR) (em.wl.central;stat.median)
eta 1.6296   spectral type parameter (Note G1)   (stat.fit.param)
  
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