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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=32624
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200022 43 21.55513 "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)
_DEJ2000-00 06 53.8850 "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)
_RAB195022 40 47.68048 "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)
_DEB1950-00 22 38.5871 "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)
_Glon068.90411459 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-49.06944524 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)
32624recno 32624  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameJ224321.55-000653.8  (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)

Pr6   [3/6] Configuration priority for 2dF (meta.code)
Run2662  SDSS Run number (meta.id)
Rerun40  SDSS Rerun number (meta.id)
Camcol3  SDSS camera number (meta.id)
Field154  SDSS Field number (meta.id)
ID 344  SDSS object id within a field (meta.id)
umag21.642 mag SDSS PSF u magnitude (Note 1)   (phot.mag;em.opt.U)
e_umag 0.149 mag rms uncertainty on umag (stat.error;phot.mag;em.opt.U)
gmag21.232 mag SDSS PSF g magnitude (Note 1)   (phot.mag;em.opt.B)
e_gmag 0.073 mag rms uncertainty on gmag (stat.error;phot.mag;em.opt.B)
rmag20.596 mag SDSS PSF r magnitude (Note 1)   (phot.mag;em.opt.R)
e_rmag 0.042 mag rms uncertainty on rmag (stat.error;phot.mag;em.opt.R)
imag20.491 mag SDSS PSF i magnitude (Note 1)   (phot.mag;em.opt.I)
e_imag 0.048 mag rms uncertainty on imag (stat.error;phot.mag;em.opt.I)
zmag20.350 mag SDSS PSF z magnitude (Note 1)   (phot.mag;em.opt.I)
e_zmag 0.130 mag rms uncertainty on zmag (stat.error;phot.mag;em.opt.I)
ured 0.331 mag Extinction in u band (phot.color.excess)
gred 0.244 mag Extinction in g band (phot.color.excess)
rred 0.177 mag Extinction in r band (phot.color.excess)
ired 0.134 mag Extinction in i band (phot.color.excess)
zred 0.095 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)

RAJ2000340.839813 deg (i) Right ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-00.114968 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  
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