VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

start AladinLite
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=282700
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200011 10 15.6800 "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)
_DEJ2000-01 24 26.100 "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)
_RAB195011 07 42.2495 "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)
_DEB1950-01 08 08.813 "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)
_Glon258.3885277 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+52.4874974 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)
177946recno 177946  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqNum282700  (i) 2dFGRS serial number (SEQNUM) (meta.id)
o_SeqNum1   [1,6] Number of spectra obtained (meta.number)
NameTGN302Z048  (i) 2dFGRS name (NAME) (meta.id;meta.main)
UKST856  UKST plate number (IFIELD) (obs.field)
RAJ200011 10 15.68 "h:m:s" (i) Right ascension (J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-01 24 26.1 "d:m:s" (i) Declination (J2000, degrees) (pos.eq.dec;meta.main)
Bjmag19.429 mag Final bj magnitude (BJG) (Note 1)   (phot.mag;em.opt.B)
Bjsel19.281 mag Final bj magnitude corrected from extinction (BJSEL) (Note G2)   (phot.mag;em.opt.B)
Bjmag.o19.510 mag Original bj magnitude (BJG_OLD) (Note 1)   (phot.mag;em.opt.B)
Bjsel.o19.410 mag Original bj magnitude corrected from extinction (BJSELOLD) (phot.mag;em.opt.B)
Gext 0.148 mag Galactic extinction value (GALEXT) (phys.absorption)
Bjmag.S19.486 mag SuperCosmos bj magnitude (SB_BJ) (Note 1)   (phot.mag;em.opt.B)
Rmag.S18.355 mag SuperCosmos R magnitude (SR_R) (Note 1)   (phot.mag;em.opt.R)
ObsRun00APR  Observation run of best spectrum (OBSRUN) (obs.param;obs)
z.obs 0.1958   Best redshift (observed) (Z) (Note 2)   (src.redshift;pos.heliocentric)
z 0.1957   Best redshift (heliocentric) (Z_HELIO) (Note 2)   (src.redshift)
q_z3   [1,5] Redshift quality for best spectrum (reliable redshifts have quality≥3) (Note 2)   (meta.code.qual;src.redshift)
n_z2  Redshift type (abs=1, emi=2, man=3) (ABEMMA) (meta.note)
z.abs 0.1562   Cross-correlation redshift (Z_ABS) (Note 2)   (src.redshift;pos.heliocentric)
T6  Cross-correlation template (KBESTR) (Note 2)   (stat.fit.param)
Rx 4.67   Cross-correlation R value (R_CRCOR) (Note 2)   (stat.fit.param)
z.em 0.1958   Emission redshift (Z_EMI) (Note 2)   (src.redshift;pos.heliocentric)
o_z.em3  Number of emission lines for Z_EMI (NMBEST) (Note 2)   (meta.number)
SNR 9.4  Median signal to noise ratio per pixel (Note 2)   (em.wl.central;stat.median)
eta 3.9953   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)
  
elapse time 0

Thanks for acknowledging the VizieR Service
Rules of usage of VizieR data

© Université de Strasbourg/CNRS

    • Contact