VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
VII/250
  The 2dF Galaxy Redshift Survey (2dFGRS) (2dFGRS Team, 1998-2003)
ReadMe+ftp
2001MNRAS.328.1039C
Similar Catalogs
spectrum/gif
Post annotation 		img(gal)
1.VII/250/2dfgrsBest observations of 2dFGRS (low-quality redshifts are written in red) (245591 rows)

Simple ConstraintList Of Constraints
 
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  (i) 2dFGRS serial number (SEQNUM) (meta.id)
  o_SeqNum   [1,6] Number of spectra obtained (meta.number)
  Name (char) (i) 2dFGRS name (NAME) (meta.id;meta.main)
  UKST  UKST plate number (IFIELD) (obs.field)
  RAJ2000 "h:m:s" (i) Right ascension (J2000, hours) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000, degrees) (pos.eq.dec;meta.main)
  Bjmag mag Final bj magnitude (BJG) (Note 1)   (phot.mag;em.opt.B)
  Bjsel mag Final bj magnitude corrected from extinction (BJSEL) (Note G2)   (phot.mag;em.opt.B)
  Bjmag.o mag Original bj magnitude (BJG_OLD) (Note 1)   (phot.mag;em.opt.B)
  Bjsel.o mag Original bj magnitude corrected from extinction (BJSELOLD) (phot.mag;em.opt.B)

ALL cols		    
 (i)indexed column
  Gext mag Galactic extinction value (GALEXT) (phys.absorption)
  Bjmag.S mag (n) SuperCosmos bj magnitude (SB_BJ) (Note 1)   (phot.mag;em.opt.B)
  Rmag.S mag (n) SuperCosmos R magnitude (SR_R) (Note 1)   (phot.mag;em.opt.R)
  ObsRun (char) Observation run of best spectrum (OBSRUN) (obs.param;obs)
  z.obs  (n) Best redshift (observed) (Z) (Note 2)   (src.redshift;pos.heliocentric)
  z  (n) Best redshift (heliocentric) (Z_HELIO) (Note 2)   (src.redshift)
  q_z   [1,5] Redshift quality for best spectrum (reliable redshifts have quality≥3) (Note 2)   (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) (Note 2)   (src.redshift;pos.heliocentric)
  T  Cross-correlation template (KBESTR) (Note 2)   (stat.fit.param)
  Rx  (n) Cross-correlation R value (R_CRCOR) (Note 2)   (stat.fit.param)
  z.em  (n) Emission redshift (Z_EMI) (Note 2)   (src.redshift;pos.heliocentric)
  o_z.em  Number of emission lines for Z_EMI (NMBEST) (Note 2)   (meta.number)
  SNR  Median signal to noise ratio per pixel (Note 2)   (em.wl.central;stat.median)
  eta  (n) Eta spectral type parameter from best spectrum (ETA_TYPE) (Note G1)   (stat.fit.param)
  Sp  Show the Image and annotated Spectrum of this 2dF Object (meta.ref.url)
spectrum/gif

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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