VizieR

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

VizieR

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VII/250/2dfgrs The 2dF Galaxy Redshift Survey (2dFGRS) (2dFGRS Team, 1998-2003)
Best observations of 2dFGRS (low-quality redshifts are written in red) (245591 rows)
  SeqNum=389650
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 01 43.1600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-57 00 58.600 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195023 59 09.5826 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-57 17 40.930 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon316.0172135 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-58.8310077 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
245548recno 245548  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqNum389650  (i) 2dFGRS serial number (SEQNUM) (meta.id)
o_SeqNum2   [1,6] Number of spectra obtained (meta.number)
NameTGS805Z331  (i) 2dFGRS name (NAME) (meta.id;meta.main)
UKST149  UKST plate number (IFIELD) (obs.field)
RAJ200000 01 43.16 "h:m:s" (i) Right ascension (J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-57 00 58.6 "d:m:s" (i) Declination (J2000, degrees) (pos.eq.dec;meta.main)
Bjmag18.142 mag Final bj magnitude (BJG) (Note 1)   (phot.mag;em.opt.B)
Bjsel18.083 mag Final bj magnitude corrected from extinction (BJSEL) (Note G2)   (phot.mag;em.opt.B)
Bjmag.o18.340 mag Original bj magnitude (BJG_OLD) (Note 1)   (phot.mag;em.opt.B)
Bjsel.o18.300 mag Original bj magnitude corrected from extinction (BJSELOLD) (phot.mag;em.opt.B)
Gext 0.059 mag Galactic extinction value (GALEXT) (phys.absorption)
Bjmag.S18.162 mag SuperCosmos bj magnitude (SB_BJ) (Note 1)   (phot.mag;em.opt.B)
Rmag.S16.690 mag SuperCosmos R magnitude (SR_R) (Note 1)   (phot.mag;em.opt.R)
ObsRun00DEC  Observation run of best spectrum (OBSRUN) (obs.param;obs)
z.obs 0.1100   Best redshift (observed) (Z) (Note 2)   (src.redshift;pos.heliocentric)
z 0.1099   Best redshift (heliocentric) (Z_HELIO) (Note 2)   (src.redshift)
q_z5   [1,5] Redshift quality for best spectrum (reliable redshifts have quality≥3) (Note 2)   (meta.code.qual;src.redshift)
n_z1  Redshift type (abs=1, emi=2, man=3) (ABEMMA) (meta.note)
z.abs 0.1100   Cross-correlation redshift (Z_ABS) (Note 2)   (src.redshift;pos.heliocentric)
T1  Cross-correlation template (KBESTR) (Note 2)   (stat.fit.param)
Rx12.12   Cross-correlation R value (R_CRCOR) (Note 2)   (stat.fit.param)
z.em    Emission redshift (Z_EMI) (Note 2)   (src.redshift;pos.heliocentric)
o_z.em0  Number of emission lines for Z_EMI (NMBEST) (Note 2)   (meta.number)
SNR 25.4  Median signal to noise ratio per pixel (Note 2)   (em.wl.central;stat.median)
eta -3.0271   Eta spectral type parameter from best spectrum (ETA_TYPE) (Note G1)   (stat.fit.param)

SpSp  Show the Image and annotated Spectrum of this 2dF Object (meta.ref.url)
  
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