VizieR

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VizieR

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VII/260/dr7qso The SDSS-DR7 quasar catalog (Schneider+, 2010)
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The SDSS quasar catalog V, DR7 (table2 of the paper) (105783 rows) 		  recno=65381
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ColumnValue  Explain   (UCD)
_RAJ200013 08 29.6789 "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+30 05 39.026 "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 06 07.1765 "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+30 21 37.962 "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)
_Glon072.3270652 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+85.2247594 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)
65381recno 65381  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
SDSS130829.67+300539.0  SDSS DR7 object designation (1) (linked to details from SDSS site) (Note)   (meta.id;meta.main)
z 0.8078  SDSS redshift (src.redshift)
umag 17.359 mag BEST SDSS u band PSF magnitude (Note 2)   (phot.mag;em.opt.U)
e_umag 0.019 mag Error in umag (stat.error;phot.mag;em.opt.U)
gmag 16.914 mag BEST SDSS g band PSF magnitude (Note 2)   (phot.mag;em.opt.B)
e_gmag 0.021 mag Error in gmag (stat.error;phot.mag;em.opt.B)
rmag 16.797 mag BEST SDSS r band PSF magnitude (Note 2)   (phot.mag;em.opt.R)
e_rmag 0.014 mag Error in rmag (stat.error;phot.mag;em.opt.R)
imag 16.815 mag BEST SDSS i band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_imag 0.012 mag Error in imag (stat.error;phot.mag;em.opt.I)
zmag 16.649 mag BEST SDSS z band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_zmag 0.014 mag Error in zmag (stat.error;phot.mag;em.opt.I)
Au 0.056 mag Galactic extinction in u filter (Note 3)   (phys.absorption)
logHI 20.017 [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 -0.969 [ct/s] RASS BSC/FSC full band count rate (Note 5)   (phot.count;em.X-ray)
w_logX 6.134  Signal-to-Noise ratio for logX (stat.weight)
sepX 2.550 arcsec SDSS/RASS separation (pos;arith.diff)
Jmag 15.282 mag 2MASS J band magnitude (Note 6)   (phot.mag;em.IR.J)
e_Jmag 0.045 mag Error in Jmag (stat.error;phot.mag;em.IR.J)
Hmag 15.170 mag 2MASS H band magnitude (Note 6)   (phot.mag;em.IR.H)
e_Hmag 0.077 mag Error in Hmag (stat.error;phot.mag;em.IR.H)
Kmag 14.275 mag 2MASS KS band magnitude (Note 6)   (phot.mag;em.IR.K)
e_Kmag 0.065 mag Error in Kmag (stat.error;phot.mag;em.IR.K)
sepIR 0.033 arcsec SDSS/2MASS separation (pos;arith.diff)
f2M 13   [0/26] 2MASS flags (Note 7)   (meta.code.error)
iMAG -26.415 mag Absolute SDSS i band magnitude (Note 8)   (phys.magAbs;em.opt.I)
D(g-i) 0.137 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)
TflagB00001C02  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 0   [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 1   [0/1] ROSAT target flag (1=targeted) (meta.code)
fS 0   [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 4646  SDSS imaging run number for photometric measurements (meta.id)
MJD-im 53147 d Modified Julian Date of imaging observation (time.epoch)
MJD-sp 53904 d Modified Julian Date of spectroscopic observation (time.epoch)
Plate 2009  Spectroscopic Plate number (meta.id;instr.plate)
Fiber 376  Spectroscopic Fiber number (meta.id)
rerun 40  SDSS Photometric Processing Rerun number (meta.id)
Cam 5   [1/6] SDSS Camera Column number (meta.id;instr)
Frame 31  SDSS Frame number (obs.field)
obj 30  SDSS Object number (meta.id)
Tflag00001C02  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 0   [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 1   [0/1] ROSAT target flag (1=targeted) (meta.code)
fST 0   [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 17.367 mag TARGET SDSS u band PSF magnitude (Note 2)   (phot.mag;em.opt.U)
e_uTmag 0.019 mag Error in uTmag (stat.error;phot.mag)
gTmag 16.925 mag TARGET SDSS g band PSF magnitude (Note 2)   (phot.mag;em.opt.B)
e_gTmag 0.021 mag Error in gTmag (stat.error;phot.mag)
rTmag 16.805 mag TARGET SDSS r band PSF magnitude (Note 2)   (phot.mag;em.opt.R)
e_rTmag 0.014 mag Error in rTmag (stat.error;phot.mag)
iTmag 16.826 mag TARGET SDSS i band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_iTmag 0.012 mag Error in iTmag (stat.error;phot.mag)
zTmag 16.667 mag TARGET SDSS z band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_zTmag 0.014 mag Error in zTmag (stat.error;phot.mag)
prevID[HB89] 1306+303  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)
RAJ2000197.12366 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+30.09417 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  
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