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VII/260/dr7qso The SDSS-DR7 quasar catalog (Schneider+, 2010)
The SDSS quasar catalog V, DR7 (table2 of the paper) (105783 rows)
  recno=67353
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ColumnValue  Explain   (UCD)
_RAJ200013 21 26.5800 "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+38 32 53.776 "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)
_RAB195013 19 11.1681 "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+38 48 34.677 "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)
_Glon096.0092242 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+76.9682544 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)
67353recno 67353  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SDSS132126.58+383253.7  SDSS DR7 object designation (1) (linked to details from SDSS site) (Note)   (meta.id;meta.main)
z 0.9555  SDSS redshift (src.redshift)
umag 19.726 mag BEST SDSS u band PSF magnitude (Note 2)   (phot.mag;em.opt.U)
e_umag 0.031 mag Error in umag (stat.error;phot.mag;em.opt.U)
gmag 19.188 mag BEST SDSS g band PSF magnitude (Note 2)   (phot.mag;em.opt.B)
e_gmag 0.018 mag Error in gmag (stat.error;phot.mag;em.opt.B)
rmag 18.813 mag BEST SDSS r band PSF magnitude (Note 2)   (phot.mag;em.opt.R)
e_rmag 0.010 mag Error in rmag (stat.error;phot.mag;em.opt.R)
imag 18.894 mag BEST SDSS i band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_imag 0.014 mag Error in imag (stat.error;phot.mag;em.opt.I)
zmag 18.739 mag BEST SDSS z band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_zmag 0.030 mag Error in zmag (stat.error;phot.mag;em.opt.I)
Au 0.058 mag Galactic extinction in u filter (Note 3)   (phys.absorption)
logHI 20.029 [cm-2] Log of Galactic HI column density (phys.columnDensity;pos.galactic)
F20cm  mag FIRST 20cm peak flux density (Note 4)   (phot.flux.density;em.radio.750-1500MHz)
w_F20cm 0.000  Signal-to-Noise ratio for F20cm (stat.weight)
sepR 0.000 arcsec SDSS/FIRST separation (pos;arith.diff)
logX  [ct/s] RASS BSC/FSC full band count rate (Note 5)   (phot.count;em.X-ray)
w_logX 0.000  Signal-to-Noise ratio for logX (stat.weight)
sepX 0.000 arcsec SDSS/RASS separation (pos;arith.diff)
Jmag  mag 2MASS J band magnitude (Note 6)   (phot.mag;em.IR.J)
e_Jmag  mag Error in Jmag (stat.error;phot.mag;em.IR.J)
Hmag  mag 2MASS H band magnitude (Note 6)   (phot.mag;em.IR.H)
e_Hmag  mag Error in Hmag (stat.error;phot.mag;em.IR.H)
Kmag  mag 2MASS KS band magnitude (Note 6)   (phot.mag;em.IR.K)
e_Kmag  mag Error in Kmag (stat.error;phot.mag;em.IR.K)
sepIR 0.000 arcsec SDSS/2MASS separation (pos;arith.diff)
f2M 0   [0/26] 2MASS flags (Note 7)   (meta.code.error)
iMAG -24.743 mag Absolute SDSS i band magnitude (Note 8)   (phys.magAbs;em.opt.I)
D(g-i) 0.213 mag Offset of quasar (g-i) from distribution (g-i) mode (Note 9)   (stat.fit.residual)
Mph 0   [0/1] Morphology flag (1=extended source) (src.class.starGalaxy)
S1 1   [0/1] SCIENCEPRIMARY flag (1=SCIENCEPRIMARY) (meta.code)
mode 1   [0/3] SDSS MODE flag for blends, overlapping scans (Note 10)   (meta.code.class)
utf 1   [0/1] Uniform target selection flag (Note 11)   (meta.code)
TflagB00100003  BEST target selection flag (hexadecimal) (meta.code)
Lz 1   [0/1] Low-z Quasar, color selection only, target flag (1=targeted as Low-z Quasar) (meta.code)
Hz 1   [0/1] High-z Quasar, color selection only, target flag (1=targeted as High-z Quasar) (meta.code)
fR 0   [0/1] FIRST target flag (1=targeted) (meta.code)
fX 0   [0/1] ROSAT target flag (1=targeted) (meta.code)
fS 1   [0/1] Serendipity target flag (1=targeted) (meta.code)
f* 0   [0/1] Star target flag (1=targeted) (meta.code)
fG 0   [0/1] Galaxy target flag (1=targeted) (meta.code)
run 4382  SDSS imaging run number for photometric measurements (meta.id)
MJD-im 53032 d Modified Julian Date of imaging observation (time.epoch)
MJD-sp 53475 d Modified Julian Date of spectroscopic observation (time.epoch)
Plate 1977  Spectroscopic Plate number (meta.id;instr.plate)
Fiber 183  Spectroscopic Fiber number (meta.id)
rerun 40  SDSS Photometric Processing Rerun number (meta.id)
Cam 2   [1/6] SDSS Camera Column number (meta.id;instr)
Frame 71  SDSS Frame number (obs.field)
obj 44  SDSS Object number (meta.id)
Tflag00100003  TARGET target selection flag (hexadecimal) (meta.code)
LzT 1   [0/1] Low-z Quasar, color selection only, target flag (1=targeted as Low-z Quasar) (meta.code)
HzT 1   [0/1] High-z Quasar, color selection only, target flag (1=targeted as High-z Quasar) (meta.code)
fRT 0   [0/1] FIRST target flag (1=targeted) (meta.code)
fXT 0   [0/1] ROSAT target flag (1=targeted) (meta.code)
fST 1   [0/1] Serendipity target flag (1=targeted) (meta.code)
f*T 0   [0/1] Star target flag (1=targeted) (meta.code)
fGT 0   [0/1] Galaxy target flag (1=targeted) (meta.code)
uTmag 19.694 mag TARGET SDSS u band PSF magnitude (Note 2)   (phot.mag;em.opt.U)
e_uTmag 0.031 mag Error in uTmag (stat.error;phot.mag)
gTmag 19.189 mag TARGET SDSS g band PSF magnitude (Note 2)   (phot.mag;em.opt.B)
e_gTmag 0.018 mag Error in gTmag (stat.error;phot.mag)
rTmag 18.837 mag TARGET SDSS r band PSF magnitude (Note 2)   (phot.mag;em.opt.R)
e_rTmag 0.010 mag Error in rTmag (stat.error;phot.mag)
iTmag 18.901 mag TARGET SDSS i band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_iTmag 0.014 mag Error in iTmag (stat.error;phot.mag)
zTmag 18.753 mag TARGET SDSS z band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_zTmag 0.030 mag Error in zTmag (stat.error;phot.mag)
prevIDNGC 5107 UB1  Previously published name (Note 12)   (meta.id)

BHBH  Display the black hole mass estimates from Shen et al. 2008, Cat. J/ApJ/680/169 (meta.ref.url)
DR7DR7  Display the detailed photometry from SDSS-DR7 (Cat. II/294) (meta.ref.url)
2MASS2MASS  Display the 2MASS data (meta.ref.url)
XX  Display the X-ray sources closer than 1' (meta.ref.url)
RadioRadio  Display the radio sources closer than 1' (meta.ref.url)

RAJ2000200.36075 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+38.54827 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  
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