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VII/250/spectra The 2dF Galaxy Redshift Survey (2dFGRS) (2dFGRS Team, 1998-2003)
Observed spectra (low-quality redshifts are written in red) (269937 rows)
Post annotation about this record
ColumnValue  Explain   (UCD)
217600recno 217600  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqNum304046  (i) Database serial number (SEQNUM) (
NameTGN388Z200  (i) 2dFGRS name (NAME) (;meta.main)
ObsDate2002-03-18 "Y:M:D" UT date of observation (UTDATE) (time.epoch;obs)
ObsRun02MAR  Observation run (OBSRUN) (obs.param;obs)
z.obs 0.0055   Redshift (observed) (Z) (src.redshift;pos.heliocentric)
z 0.0055   Redshift (heliocentric) (Z_HELIO) (src.redshift)
q_z5   [1,5] Redshift quality parameter (QUALITY) (meta.code.qual;src.redshift)
n_z1  Redshift type (abs=1, emi=2, man=3) (ABEMMA) (meta.note)
z.abs 0.0055   Cross-correlation redshift (Z_ABS) (src.redshift;pos.heliocentric)
T3  Cross-correlation template (KBESTR) (
Rx 7.13   Cross-correlation R value (R_CRCOR) (
z.em 0.0057   ?=-9.99 Emission redshift (Z_EMI) (src.redshift;pos.heliocentric)
o_z.em4  Number of emission lines (NMBEST) (meta.number)
SNR 54.1  Median signal to noise ratio per pixel (SNR) (em.wl.central;stat.median)
eta    spectral type parameter (Note G1)   (
elapse time 0

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