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VII/269
 SDSS Quasar Catalog, DR9Q (Paris+, 2012)
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img(gal)
1.VII/269/dr9qMain DR9 Quasar catalog (corrected version - 10-Feb-2016) (87822 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  SDSS (char) SDSS-DR9 designation (HHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  RAJ2000 deg Right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 deg Declination (J2000.0) (pos.eq.dec;meta.main)
  THINGID   [26159535/512342668] Unique identifier (meta.id)
  Plate  SDSS Plate number (obs.field)
  MJD  SDSS Spectroscopic MJD (time.epoch)
  Fiber  SDSS Fiber number (phot.mag;em.opt.I)
  z.v  Visual inspection redshift (src.redshift;pos.heliocentric)
  z.b  BOSS pipeline redshift (src.redshift;pos.heliocentric)
  e_z.b  (n) Error on pipeline redshift (stat.error;src.redshift)

ALL cols
    
(n) indicates a possible blank or NULL column  
  f_z.b   [0/196] zwarning flag (Note G2)   (meta.code)
  z.p  (n) PCA redshift (Note G3)   (src.redshift;pos.heliocentric)
  e_z.p  (n) Error on PCA redshift (Note G3)   (stat.error;src.redshift)
  qCont  (n) [0/1] Quality of PCA continuum (Note G3)   (meta.code.qual)
  zCIV  (n) CIV redshift (src.redshift;pos.heliocentric)
  zCIII  (n) CIII] complex redshift (src.redshift;pos.heliocentric)
  zMgII  (n) MgII redshift (src.redshift;pos.heliocentric)
  Morph   [0/1] Morphology flag (0=point, 1=extended) (src.class.starGalaxy)
  Btarg1  (n) Main (BOSS) survey primary target selection flags (G4) (edited in hexadecimal) (Note)   (meta.id)
  Atarg1  (n) Ancillary target selection flag 1 (G4) (edited in hexadecimal) (Note)   (meta.id)
  Atarg2  (n) Ancillary target selection flag 2 (Note G4)   (meta.id)
  f7   [0/1] 1=quasar in SDSS-DR7 (Cat. VII/260) (meta.code)
  Plate7  (n) SDSS DR7 Plate number (obs.field)

ALL cols
    
(n) indicates a possible blank or NULL column  
  MJD7  (n) SDSS DR7 spectroscopic MJD (time.epoch)
  Fiber7  (n) SDSS DR7 Fiber number (phot.mag;em.opt.I)
  US  (n) [0/2] Uniform sample flag (Note G6)   (meta.code)
  iMAG mag (n) Absolute Magnitude Mi[z=2] (Note G5)   (phys.magAbs)
  D(g-i) mag (n) Diff. color Δ(g-i) (Note G7)   (phot.color;arith.diff)
  alpha  (n) Spectral index αν (spect.index)
  SNRsp  Median S/N ratio (whole spectrum) (stat.snr)
  SNR1700  (n) Median SNR (1650-175nm rest) (stat.snr)
  SNR3000  (n) Median SNR (2950-305nm rest) (stat.snr)
  SNR5150  (n) Median SNR (5100-525nm rest) (stat.snr)
  FW(CIV) km/s (n) FWHM of CIV emission (spect.line.width)
  HW(CIV)b km/s (n) Blue HWHM of CIV emission (spect.line.width)
  HW(CIV)r km/s (n) Red HWHM of CIV emission (spect.line.width)

ALL cols
    
(n) indicates a possible blank or NULL column  
  A(CIV)  (n) Amplitude of CIV emission (Note G8)   (phot.flux.density;arith.ratio)
  W(CIV) 0.1nm (n) Rest equivalent width of CIV emission (spect.line.eqWidth)
  e_W(CIV) 0.1nm (n) Error on rest EW of CIV emission (stat.error)
  FW(CIII) km/s (n) FWHM of CIII] complex (spect.line.width)
  HW(CIII)b km/s (n) Blue HWHM of CIII] complex (spect.line.width)
  HW(CIII)r km/s (n) Red HWHM of CIII] complex (spect.line.width)
  A(CIII)  (n) Amplitude of CIII] complex (Note G8)   (phot.flux.density;arith.ratio)
  W(CIII) 0.1nm (n) Rest equivalent width of CIII] complex (spect.line.eqWidth)
  e_W(CIII) 0.1nm (n) Error on rest EW of CIII] complex (stat.error)
  FW(MgII) km/s (n) FWHM of MgII emission (spect.line.width)
  HW(MgII)b km/s (n) Blue HWHM of MgII emission (spect.line.width)
  HW(MgII)r km/s (n) Red HWHM of MgII emission (spect.line.width)
  A(MgII)  (n) Amplitude of MgII emission (Note G8)   (phot.flux.density;arith.ratio)

ALL cols
    
(n) indicates a possible blank or NULL column  
  W(MgII) 0.1nm (n) Rest equivalent width of MgII emission (spect.line.eqWidth)
  e_W(MgII) 0.1nm (n) Error on rest EW of MgII emission (stat.error)
  BAL   [0/1] BAL flag from visual inspection (meta.code)
  BI(CIVt) km/s (n) Balnicity index (BI) of CIV trough (spect.line.eqWidth)
  e_BI(CIVt) km/s (n) Error on BI of CIV trough (stat.error)
  AI(CIVt) km/s (n) Absorption Index of CIV trough (spect.index)
  e_AI(CIVt) km/s (n) Error on AI of CIV trough (stat.error)
  DI(CIVt) km/s (n) Detection index (DI) of CIV trough (spect.index)
  e_DI(CIVt) km/s (n) Error on the DI of CIV trough (stat.error)
  Chi2CIVt km/s (n) Chi2 of the CIV troughs (stat.fit.chi2)
  N2t   [0/5] Number of CIV troughs > 1999km/s (meta.number)
  Vmin2t km/s (n) Min velocity of CIV troughs (NCIV2) (spect.dopplerVeloc)
  Vmax2t km/s (n) Max velocity of CIV troughs (NCIV2) (spect.dopplerVeloc)

ALL cols
    
(n) indicates a possible blank or NULL column  
  N.45t   [0/13] Number of CIV troughs > 449km/s (meta.number)
  Vmin.45t km/s (n) Min velocity of CIV troughs (NCIV4.5) (spect.dopplerVeloc)
  Vmax.45t km/s (n) Max velocity of CIV troughs (NCIV4.5) (spect.dopplerVeloc)
  W(SiIVt) 0.1nm (n) Rest equivalent width of SiIV trough (spect.line.eqWidth)
  W(CIVt) 0.1nm (n) Rest equivalent width of CIV trough (spect.line.eqWidth)
  W(AlIIIt) 0.1nm (n) Rest equivalent width of AlIII trough (spect.line.eqWidth)
  Run  Imaging Run Number (meta.id)
  Ph-MJD d Photometric MJD (time.epoch)
  Rerun  Photometric Processing Rerun number (meta.id)
  Colcam   [1/6] camera column number (meta.id)
  Field  Field number (phot.mag;em.opt.I)
  objID  (n) Object Identification number (meta.id)
  Fu 3.63uJy (n) u-band flux (in nanomaggies) (Note G1)   (phot.mag;em.opt.U)

ALL cols
    
(n) indicates a possible blank or NULL column  
  e_Fu 3.63uJy (n) Error on Fu (in nanomaggies) (Note G1)   (stat.error)
  Fg 3.63uJy (n) g-band flux (in nanomaggies) (Note G1)   (phot.mag;em.opt.B)
  e_Fg 3.63uJy (n) Error on Fg (in nanomaggies) (Note G1)   (stat.error)
  Fr 3.63uJy (n) r-band flux (in nanomaggies) (Note G1)   (phot.mag;em.opt.R)
  e_Fr 3.63uJy (n) Error on Fr (in nanomaggies) (Note G1)   (stat.error)
  Fi 3.63uJy (n) i-band flux (in nanomaggies) (Note G1)   (phot.mag;em.opt.I)
  e_Fi 3.63uJy (n) Error on Fi (in nanomaggies) (Note G1)   (stat.error)
  Fz 3.63uJy (n) z-band flux (in nanomaggies) (Note G1)   (phot.mag;em.opt.I)
  e_Fz 3.63uJy (n) Error on Fz (in nanomaggies) (Note G1)   (stat.error)
  Fut 3.63uJy (n) TARGET flux in the u-band (in nanomaggies) (Note G1)   (phot.mag;em.opt.U)
  Fgt 3.63uJy (n) TARGET flux in the g-band (in nanomaggies) (Note G1)   (phot.mag;em.opt.B)
  Frt 3.63uJy (n) TARGET flux in the r-band (in nanomaggies) (Note G1)   (phot.mag;em.opt.R)
  Fit 3.63uJy (n) TARGET flux in the i-band (in nanomaggies) (Note G1)   (phot.mag;em.opt.I)

ALL cols
    
(n) indicates a possible blank or NULL column  
  Fzt 3.63uJy (n) TARGET flux in the z-band (in nanomaggies) (Note G1)   (phot.mag;em.opt.I)
  Extu mag u-band Galactic extinction (phys.absorption)
  logNHI [cm-2] (n) log of Galactic HI column density (phys.columnDensity;pos.galactic)
  logXcr [ct/s] (n) log RASS full band count rate (phot.count;em.X-ray)
  SNR(X)  (n) SNR of RASS count rate (stat.snr)
  FNUV 3.63uJy NUV flux (GALEX) (in nanomaggies) (Note G1)   (phot.flux;em.UV)
  e_FNUV 3.63uJy (n) Error on NUV flux (in nanomaggies) (Note G1)   (stat.error)
  FFUV 3.63uJy FUV flux (GALEX) (in nanomaggies) (Note G1)   (phot.flux;em.UV)
  e_FFUV 3.63uJy (n) Error on FUV flux (in nanomaggies) (Note G1)   (stat.error)
  Jmag mag (n) 2MASS J-band magnitude (Vega) (phot.mag;em.IR.J)
  e_Jmag mag (n) Error on J-band magnitude (stat.error;phot.mag;em.IR.J)
  SNR(J)  (n) J-band SNR (stat.snr)
  f_Jmag  (n) [0/6] J-band photometry flag (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column  
  Hmag mag (n) 2MASS H-band magnitude (Vega) (phot.mag;em.IR.H)
  e_Hmag mag (n) Error on H-band magnitude (stat.error;phot.mag;em.IR.H)
  SNR(H)  (n) H-band SNR (stat.snr)
  f_Hmag  (n) [0/6] H-band photometry flag (meta.code)
  Kmag mag (n) 2MASS Ks-band magnitude (Vega) (phot.mag;em.IR.K)
  e_Kmag mag (n) Error on K-band magnitude (stat.error;phot.mag;em.IR.K)
  SNR(K)  (n) K-band SNR (stat.snr)
  f_Kmag  (n) [0/6] K-band photometry flag (meta.code)
  sep2 arcsec (n) SDSS-2MASS separation (pos;arith.diff)
  W1mag mag (n) WISE W1 magnitude (Vega, Cat. II/311) (phot.mag;em.IR.3-4um)
  e_W1mag mag (n) Error on W1 magnitude (stat.error;phot.mag)
  W1SNR  (n) SNR in W1 band (stat.snr)
  W1chi2  (n) Chi2 in W1 band (stat.fit.chi2)

ALL cols
    
(n) indicates a possible blank or NULL column  
  W2mag mag (n) WISE W2 magnitude (Vega, Cat. II/311) (phot.mag;em.IR.4-8um)
  e_W2mag mag (n) Error on W2 magnitude (stat.error;phot.mag)
  W2SNR  (n) SNR in W2 band (stat.snr)
  W2chi2  (n) Chi2 in W2 band (stat.fit.chi2)
  W3mag mag (n) WISE W3 magnitude (Vega, Cat. II/311) (phot.flux.density;em.IR.8-15um)
  e_W3mag mag (n) Error on W3 magnitude (stat.error;phot.mag)
  W3SNR  (n) SNR in W3 band (stat.snr)
  W3chi2  (n) Chi2 in W3 band (stat.fit.chi2)
  W4mag mag (n) WISE W4 magnitude (Vega, Cat. II/311) (phot.flux.density;em.IR.8-15um)
  e_W4mag mag (n) Error on W4 magnitude (stat.error;phot.mag)
  W4SNR  (n) SNR in W4 band (stat.snr)
  W4chi2  (n) Chi2 in W4 band (stat.fit.chi2)
  sepW arcsec (n) SDSS-WISE separation (pos;arith.diff)
  F1p mJy (n) FIRST (Cat. VIII/90) peak flux density at 20cm (phot.flux.density;em.radio.750-1500MHz)
  SNR(1)  (n) SNR of the FIRST flux density (stat.snr)
  sep1 arcsec (n) SDSS-FIRST separation (pos;arith.diff)
  DR9  Display the SDSS data for this quasar (meta.ref.url)
  DR7  Display the SDSS-DR7 data for this quasar (meta.ref.url)

ALL cols
    
(n) indicates a possible blank or NULL column  
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