VizieR

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VizieR

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J/MNRAS/392/19/2slaqqso The 2dF-SDSS QSO survey (Croom+, 2009)
2SLAQ spectroscopic catalogue, built using add_IDs.pl version 1.2 (2008/02/16) (54457 rows)
  recno=44641
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200002 27 39.34107 "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 11 39.3320 "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)
_RAB195002 25 06.49141 "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 25 03.8693 "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)
_Glon168.62705164 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-55.28826592 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)
44641recno 44641  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameJ022739.34-011139.3  (i) Source name (JHHMMSS.ss+DDMMSS.s) (not identical to SDSS name) (meta.id;meta.main)

n_Name   r indicates several observations in repeats file (meta.ref.url)

Pr5   [3/6] Configuration priority for 2dF (meta.code)
Run3325  SDSS Run number (meta.id)
Rerun41  SDSS Rerun number (meta.id)
Camcol1  SDSS camera number (meta.id)
Field354  SDSS Field number (meta.id)
ID 289  SDSS object id within a field (meta.id)
umag21.085 mag SDSS PSF u magnitude (Note 1)   (phot.mag;em.opt.U)
e_umag 0.096 mag rms uncertainty on umag (stat.error;phot.mag;em.opt.U)
gmag20.886 mag SDSS PSF g magnitude (Note 1)   (phot.mag;em.opt.B)
e_gmag 0.045 mag rms uncertainty on gmag (stat.error;phot.mag;em.opt.B)
rmag20.835 mag SDSS PSF r magnitude (Note 1)   (phot.mag;em.opt.R)
e_rmag 0.039 mag rms uncertainty on rmag (stat.error;phot.mag;em.opt.R)
imag20.738 mag SDSS PSF i magnitude (Note 1)   (phot.mag;em.opt.I)
e_imag 0.058 mag rms uncertainty on imag (stat.error;phot.mag;em.opt.I)
zmag20.904 mag SDSS PSF z magnitude (Note 1)   (phot.mag;em.opt.I)
e_zmag 0.190 mag rms uncertainty on zmag (stat.error;phot.mag;em.opt.I)
ured 0.180 mag Extinction in u band (phot.color.excess)
gred 0.133 mag Extinction in g band (phot.color.excess)
rred 0.096 mag Extinction in r band (phot.color.excess)
ired 0.073 mag Extinction in i band (phot.color.excess)
zred 0.052 mag Extinction in z band (phot.color.excess)
S/G 0.00   SDSS Bayesian star-galaxy classification probability (meta.code.class;stat.probability)
Cl6   [3,6] SDSS Object image morphology classification. 3 = galaxy, 6 = star (src.class.starGalaxy)
zem.S    SDSS emission spectroscopic redshift (src.redshift;pos.heliocentric)
q_zem.S 0.0000   [0/1] SDSS spectroscopic quality flag, from 0 (bad) to 1 (good) (meta.code.qual)
ID.S-   SDSS spectroscopic classification (src.class)
bj  mag 2QZ bJ magnitude (Smith et al. 2005MNRAS.359...57S) (phot.mag;em.opt.B)
zem2q    2QZ emission spectroscopic redshift (Croom et al., Cat. VII/241) (src.redshift;pos.heliocentric)
q_zem2q0   2QZ redshift quality flag (Note 2)   (meta.code.qual)
ID2q-   2QZ spectroscopic classification (src.class)
q_ID2q    2QZ ID quality flag (Note 2)   (meta.code.qual)
2QZ   2QZ name (JHHMMSS.s+DDMMSS, Cat. VII/241) (meta.id)
z2S    2SLAQ spectroscopic redshift (src.redshift;pos.heliocentric)
q_z2S    2SLAQ redshift quality flag (Note 2)   (meta.code.qual)
ID2S-   2SLAQ spectroscopic ID (i.e. QSO, NELG, star etc.) (src.class)
q_ID2S    2SLAQ ID quality flag (Note 2)   (meta.code.qual)
Date  "Y:M:D" 2SLAQ spectroscopic observation date (time.epoch;obs)
Fl2S-   2SLAQ spectroscopic field (obs.field)
Fb2S 0   [0/357] 2SLAQ spectroscopic fibre number (meta.note)
S/N 0.00  2SLAQ spectroscopic S/N in a 4000-5000Å band (stat.snr)
dmag 0.00 mag 2SLAQ (gm mag)-(fibre mag) relative to mean zero point in field (phot.mag)
FX 0.0000 10-16W/m2 RASS X-ray flux (in 10–13erg/cm2/s) (phot.flux;em.X-ray)
F1.4 0.0 mJy FIRST 1.4 GHz Radio flux (phot.flux.density;em.radio.750-1500MHz)
n_F1.40   [0/3] FIRST morphology (Note 3)   (meta.note)
Com-   2SLAQ comment on spectrum (meta.note)

DR7DR7  Details from SDSS-DR7 (Adelman-McCarthy et al., Cat. II/294) (meta.ref.url)
SDSSSDSS  Display the SDSS data from the SDSS pages (meta.ref.url)

RAJ2000036.913921 deg (i) Right ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-01.194259 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  
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