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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)
188488recno 188488  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqNum274290  (i) Database serial number (SEQNUM) (
NameTGN356Z157  (i) 2dFGRS name (NAME) (;meta.main)
ObsDate2000-05-08 "Y:M:D" UT date of observation (UTDATE) (time.epoch;obs)
ObsRun00APR  Observation run (OBSRUN) (obs.param;obs)
z.obs 0.0444   Redshift (observed) (Z) (src.redshift;pos.heliocentric)
z 0.0443   Redshift (heliocentric) (Z_HELIO) (src.redshift)
q_z4   [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 0.0444   Cross-correlation redshift (Z_ABS) (src.redshift;pos.heliocentric)
T5  Cross-correlation template (KBESTR) (
Rx 8.08   Cross-correlation R value (R_CRCOR) (
z.em 0.0443   ?=-9.99 Emission redshift (Z_EMI) (src.redshift;pos.heliocentric)
o_z.em3  Number of emission lines (NMBEST) (meta.number)
SNR 23.4  Median signal to noise ratio per pixel (SNR) (em.wl.central;stat.median)
eta 2.6363   spectral type parameter (Note G1)   (
elapse time 0

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