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VII/252/dr5qso SDSS-DR5 quasar catalog (Schneider+, 2007)
The SDSS Quasar Catalog IV, DR5 (77429 rows)
  SDSS=093814.81+020023.5
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ColumnValue  Explain   (UCD)
_RAJ200009 38 14.81447 "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+02 00 23.5260 "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)
_RAB195009 35 39.61918 "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+02 13 56.5935 "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)
_Glon232.96053121 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+37.42162842 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)
23547recno 23547  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SDSS093814.81+020023.5  SDSS DR5 Object Designation (linked to details from SDSS site) (Note 1)   (meta.id;meta.main)
RAJ2000144.561727 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+02.006535 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
z 0.1741  Redshift (src.redshift)
umag18.126 mag SDSS BEST u band PSF magnitude (Note 2)   (phot.mag;em.opt.U)
e_umag 0.022 mag Error in B-umag (stat.error;phot.mag;em.opt.U)
gmag18.076 mag SDSS BEST g band PSF magnitude (Note 2)   (phot.mag;em.opt.B)
e_gmag 0.020 mag Error in B-gmag (stat.error;phot.mag;em.opt.B)
rmag17.773 mag SDSS BEST r band PSF magnitude (Note 2)   (phot.mag;em.opt.R)
e_rmag 0.015 mag Error in B-rmag (stat.error;phot.mag;em.opt.R)
imag17.338 mag SDSS BEST i band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_imag 0.018 mag Error in B-imag (stat.error;phot.mag;em.opt.I)
zmag17.354 mag SDSS BEST z band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_zmag 0.027 mag Error in B-zmag (stat.error;phot.mag;em.opt.I)
Au 0.286 mag Galactic absorption in u band (Note 3)   (phys.absorption)
logHI20.615 [cm-2] Log of Galactic HI column density (phys.columnDensity;pos.galactic)
F20cm  mag FIRST Peak flux density (ABmag) at 20cm (Note 4)   (phot.flux.density;em.radio.750-1500MHz)
w_F20cm 0.000  The S/N ratio for FIRST flux (stat.weight)
sepR 0.000 arcsec SDSS/FIRST separation (pos.angDistance)
fRo 0   [0/1] FIRST flux at optical position but no FIRST source flag (1=detectable flux) (meta.code)
fR1 0   [0/1] FIRST source 2-30" from optical position flag (1=source exists) (meta.code)
logX -1.469 [ct/s] RASS BSC/FSC full band count rate (Note 5)   (phot.count;em.X-ray)
w_logX 3.134  The S/N ratio for RASS count rate (stat.weight)
sepX12.030 arcsec SDSS/RASS separation (pos.angDistance)
Jmag15.531 mag 2MASS J band magnitude (Note 6)   (phot.mag;em.IR.J)
e_Jmag 0.085 mag Error in Jmag (stat.error;phot.mag;em.IR.J)
Hmag14.821 mag 2MASS H band magnitude (Note 6)   (phot.mag;em.IR.H)
e_Hmag 0.094 mag Error in Hmag (stat.error;phot.mag;em.IR.H)
Kmag13.924 mag 2MASS K band magnitude (Note 6)   (phot.mag;em.IR.K)
e_Kmag 0.075 mag Error in Kmag (stat.error;phot.mag;em.IR.K)
sepH 0.206 arcsec SDSS/2MASS separation (pos.angDistance)
iMAG-22.313 mag Absolute i band magnitude (Note 7)   (phys.magAbs)
D(g-i) 0.082 mag Offset of quasar (g-i) from distribution (g-i) mode (Note 8)   (stat.fit.residual)
Mph1   [0/1] Morphology flag (1=extended source) (meta.code)
S11   [0/1] SCIENCEPRIMARY flag (1=SCIENCEPRIMARY) (meta.code)
mode1   [0-3] SDSS MODE (blends, overlapping scans) flag (Note 9)   (meta.code.class)
utf0   [0/1] Uniform target selection flag (Note 10)   (meta.code)
TflagB00001442  BEST target selection flag (meta.code)
Lz1   [0/1] Low-z Quasar (color selection only) target flag (1=targeted as Low-z Quasar) (meta.code)
Hz0   [0/1] High-z Quasar (color selection only) target flag (1=targeted as High-z Quasar) (meta.code)
fR0   [0/1] FIRST target flag (1=targeted) (meta.code)
fX1   [0/1] ROSAT target flag (1=targeted) (meta.code)
fS0   [0/1] Serendipity target flag (1=targeted) (meta.code)
f*0   [0/1] Star target flag (1=targeted) (meta.code)
fG1   [0/1] Galaxy target flag (1=targeted) (meta.code)
run 1462  SDSS Imaging Run Number for photometric measurements (meta.id)
MJD-Im51669 d Modified Julian Date of imaging observation (time.epoch)
MJD-Sp52026 d Modified Julian Date of spectroscopic observation (time.epoch)
Pnum 477  Spectroscopic Plate Number (obs.field)
Fnum 193  Spectroscopic Fiber Number (meta.note)
rerun 40  SDSS Photometric Processing Rerun Number (meta.id)
Cam 4  SDSS Camera Column Number (meta.id;instr)
Frame 128  SDSS Frame Number (obs.field)
Obj 81  SDSS Object Number (meta.id)
Tflag00001444  TARGET target selection flag (meta.code)
LzT1   [0/1] Low-z Quasar (color selection only) target flag (1=targeted as Low-z Quasar) (meta.code)
HzT0   [0/1] High-z Quasar (color selection only) target flag (1=targeted as High-z Quasar) (meta.code)
fRT0   [0/1] FIRST target flag (1=targeted) (meta.code)
fXT1   [0/1] ROSAT target flag (1=targeted) (meta.code)
fST0   [0/1] Serendipity target flag (1=targeted) (meta.code)
f*T0   [0/1] Star target flag (1=targeted) (meta.code)
fGT1   [0/1] Galaxy target flag (1=targeted) (meta.code)
uPSF18.101 mag SDSS TARGET u band PSF magnitude (Note 2)   (phot.mag;em.opt.U)
e_uPSF 0.015 mag Error in T-umag (stat.error)
gPSF18.054 mag SDSS TARGET g band PSF magnitude (Note 2)   (phot.mag;em.opt.B)
e_gPSF 0.014 mag Error in T-gmag (stat.error)
rPSF17.800 mag SDSS TARGET r band PSF magnitude (Note 2)   (phot.mag;em.opt.R)
e_rPSF 0.014 mag Error in T-rmag (stat.error)
iPSF17.351 mag SDSS TARGET i band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_iPSF 0.014 mag Error in T-imag (stat.error)
zPSF17.329 mag SDSS TARGET z band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
e_zPSF 0.020 mag Error in T-zmag (stat.error)
SpOID134487014669025280  The 64-bit integer Spectroscopic Identification flag (meta.id)
Prev2MASX J09381483+0200236  Object Name if previously published (Note 11)   (meta.id)

BHBH  Display the black hole mass estimates from Shen et al. 2008, Cat. J/ApJ/680/169 (meta.ref.url)
DR5DR5  Display the detailed photometry from SDSS-DR5 (Cat. II/276) (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)
  
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