VizieR

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VII/250/2dfgrs

The 2dF Galaxy Redshift Survey (2dFGRS) (2dFGRS Team, 1998-2003)

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Best observations of 2dFGRS (low-quality redshifts are written in red) (245591 rows)

SeqNum=026289

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*Column*	*Value*		*Explain (UCD)*
_RAJ2000	01 57 55.3400	"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) (POS_EQ_RA)
_DEJ2000	-32 59 13.100	"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) (POS_EQ_DEC)
_RAB1950	01 55 42.8361	"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) (POS_EQ_RA)
_DEB1950	-33 13 47.964	"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) (POS_EQ_DEC)
_Glon	239.1312771	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) (POS_GAL_LON)
_Glat	-74.4902819	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) (POS_GAL_LAT)
13563recno	13563		Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD)

SeqNum	026289		⁽ⁱ⁾ 2dFGRS serial number (SEQNUM) (meta.id) (ID_NUMBER)
o_SeqNum	1		[1,6] Number of spectra obtained (meta.number) (NUMBER)
Name	TGS512Z054		⁽ⁱ⁾ 2dFGRS name (NAME) (meta.id;meta.main) (ID_MAIN)
UKST	354		UKST plate number (IFIELD) (obs.field) (ID_FIELD)
RAJ2000	01 57 55.34	"h:m:s"	⁽ⁱ⁾ Right ascension (J2000, hours) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEJ2000	-32 59 13.1	"d:m:s"	⁽ⁱ⁾ Declination (J2000, degrees) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
Bjmag	14.514	mag	Final bj magnitude (BJG) (Note 1) (phot.mag;em.opt.B) (PHOT_PHG_BJ)
Bjsel	14.430	mag	Final bj magnitude corrected from extinction (BJSEL) (Note G2) (phot.mag;em.opt.B) (PHOT_PHG_BJ)
Bjmag.o	14.450	mag	Original bj magnitude (BJG_OLD) (Note 1) (phot.mag;em.opt.B) (PHOT_PHG_BJ)
Bjsel.o	14.400	mag	Original bj magnitude corrected from extinction (BJSELOLD) (phot.mag;em.opt.B) (PHOT_PHG_BJ)
Gext	0.084	mag	Galactic extinction value (GALEXT) (phys.absorption) (PHOT_EXTINCTION_ISM)
Bjmag.S	13.867	mag	SuperCosmos bj magnitude (SB_BJ) (Note 1) (phot.mag;em.opt.B) (PHOT_PHG_BJ)
Rmag.S	13.026	mag	SuperCosmos R magnitude (SR_R) (Note 1) (phot.mag;em.opt.R) (PHOT_PHG_R)
ObsRun	99OCT		Observation run of best spectrum (OBSRUN) (obs.param;obs) (OBS_RUN)
z.obs	0.0128		Best redshift (observed) (Z) (Note 2) (src.redshift;pos.heliocentric) (REDSHIFT_HC)
z	0.0128		Best redshift (heliocentric) (Z_HELIO) (Note 2) (src.redshift) (REDSHIFT_HC)
q_z	4		[1,5] Redshift quality for best spectrum (reliable redshifts have quality≥3) (Note 2) (meta.code.qual;src.redshift) (CODE_QUALITY)
n_z	1		Redshift type (abs=1, emi=2, man=3) (ABEMMA) (meta.note) (NOTE)
z.abs	0.0128		Cross-correlation redshift (Z_ABS) (Note 2) (src.redshift;pos.heliocentric) (REDSHIFT_HC)
T	1		Cross-correlation template (KBESTR) (Note 2) (stat.fit.param) (REDUCT_PARAM)
Rx	13.57		Cross-correlation R value (R_CRCOR) (Note 2) (stat.fit.param) (REDUCT_PARAM)
z.em			Emission redshift (Z_EMI) (Note 2) (src.redshift;pos.heliocentric) (REDSHIFT_HC)
o_z.em	0		Number of emission lines for Z_EMI (NMBEST) (Note 2) (meta.number) (NUMBER)
SNR	74.7		Median signal to noise ratio per pixel (Note 2) (em.wl.central;stat.median) (INST_S/N)
eta	-2.4292		Eta spectral type parameter from best spectrum (ETA_TYPE) (Note G1) (stat.fit.param) (REDUCT_PARAM)

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

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