VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR . Beijing (Ch) VizieR . Hawai VizieR

Catalog Selection Page

Looking for catalogs ..
Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
Target dimension:

Radius Box size

  
J/MNRAS/410/860
 Redshift dependence of BAL QSOs (Allen+, 2011)
Post annotation
img(gal)
1.J/MNRAS/410/860/table1Properties of the NMF reconstructions (non-negative matrix factorization) and the resulting broad absorption properties (93400 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 name (HHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  MJD d SDSS MJD number (meta.id)
  Plate  SDSS plate number (meta.id)
  Fiber  SDSS fiber number (meta.id)
  z  Redshift (src.redshift)
  imag mag (n) SDSS i magnitude (phot.mag;em.opt.I)
  S/N  Signal-to-noise ratio at 1700Å (170nm) (stat.snr)
  logF1700 [10mW/m2/nm](n) Flux density at 1700Å (erg/s/cm2/Å) (phot.flux.density)
  logL1700 [10-7W] (n) Luminosity at 1700Å [λLλ] (phys.luminosity)
  flags  (n)General (sexadecimal) flags: target selection (1,2,4), target role in reconstruction (8), compents used (10), correction on slope (20), on mask (40, 80) (meta.note)

ALL cols
    
(n) indicates a possible blank or NULL column  
  Nc  Number of components used (meta.number)
  chi2  (n) Reduced chi2 value of the fit (stat.fit.chi2;stat.fit.param;meta.modelled)
  Npix  Number of pixels retained after masking (meta.number)
  Slope  (n) Index of the power-law slope fitted to identify red objects (spect.index)
  Si4BI km/s (n) SiIV Balnicity index (spect.line.eqWidth)
  Si4d  (n) SiIV Mean depth (phot.flux.density;arith.ratio)
  Si4Vm km/s (n) SiIV Minimum velocity (spect.dopplerVeloc)
  Si4VM km/s (n) SiIV Maximum velocity (spect.dopplerVeloc)
  Si4Vcm km/s (n) SiIV Minimum velocity covered by both the SDSS spectra and NMF components (spect.dopplerVeloc)
  Si4VcM km/s (n) SiIV Maximum velocity covered by both the SDSS spectra and NMF components (spect.dopplerVeloc)
  Si4BR  (n) SiIV Number of bad pixels within the BI integration range (meta.code)
  Si4BT  (n) SiIV Number of bad pixels within any BAL troughs (meta.code)
  Si4SR  (n) SiIV Number of pixels affected by sky lines within the BI integration range (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column  
  Si4ST  (n) SiIV Number of pixels affected by sky lines within any BAL troughs (meta.code)
  C4BI km/s (n) CIV Balnicity index (spect.line.eqWidth)
  C4d  (n) CIV Mean depth (phot.flux.density;arith.ratio)
  C4Vm km/s (n) CIV Minimum velocity (spect.dopplerVeloc)
  C4VM km/s (n) CIV Maximum velocity (spect.dopplerVeloc)
  C4Vcm km/s (n) CIV Minimum velocity covered by both the SDSS spectra and NMF components (spect.dopplerVeloc)
  C4VcM km/s (n) CIV Maximum velocity covered by both the SDSS spectra and NMF components (spect.dopplerVeloc)
  C4BR  (n) CIV Number of bad pixels within the BI integration range (meta.code)
  C4BT  (n) CIV Number of bad pixels within any BAL troughs (meta.code)
  C4SR  (n) CIV Number of pixels affected by sky lines within the BI integration range (meta.code)
  C4ST  (n) CIV Number of pixels affected by sky lines within any BAL troughs (meta.code)
  C4f  (n)Flags in the C.IV results: incomplete BI coverage (1), manual changes made because of bad pixels (2), poor NMF fit (4), or broad region of bad pixels (8) (meta.note)
  Al3BI km/s (n) AlIII Balnicity index (spect.line.eqWidth)

ALL cols
    
(n) indicates a possible blank or NULL column  
  Al3d  (n) AlIII Mean depth (phot.flux.density;arith.ratio)
  Al3Vm km/s (n) AlIII Minimum velocity (spect.dopplerVeloc)
  Al3VM km/s (n) AlIII Maximum velocity (spect.dopplerVeloc)
  Al3Vcm km/s (n) AlIII Minimum velocity covered by both the SDSS spectra and NMF components (spect.dopplerVeloc)
  Al3VcM km/s (n) AlIII Maximum velocity covered by both the SDSS spectra and NMF components (spect.dopplerVeloc)
  Al3BR  (n) AlIII Number of bad pixels within the BI integration range (meta.code)
  Al3BT  (n) AlIII Number of bad pixels within any BAL troughs (meta.code)
  Al3SR  (n) AlIII Number of pixels affected by sky lines within the BI integration range (meta.code)
  Al3ST  (n) AlIII Number of pixels affected by sky lines within any BAL troughs (meta.code)
  Al3f  (n)Flags in the SiIV results: incomplete BI coverage (1), manual changes made because of bad pixels (2), poor NMF fit (4), or broad region of bad pixels (8) (meta.note)
  Mg2BI km/s (n) MgII Balnicity index (spect.line.eqWidth)
  Mg2d  (n) MgII Mean depth (phot.flux.density;arith.ratio)
  Mg2Vm km/s (n) MgII Minimum velocity (spect.dopplerVeloc)

ALL cols
    
(n) indicates a possible blank or NULL column  
  Mg2VM km/s (n) MgII Maximum velocity (spect.dopplerVeloc)
  Mg2Vcm km/s (n) MgII Minimum velocity covered by both the SDSS spectra and NMF components (spect.dopplerVeloc)
  Mg2VcM km/s (n) MgII Maximum velocity covered by both the SDSS spectra and NMF components (spect.dopplerVeloc)
  Mg2BR  (n) MgII Number of bad pixels within the BI integration range (meta.code)
  Mg2BT  (n) MgII Number of bad pixels within any BAL troughs (meta.code)
  Mg2SR  (n) MgII Number of pixels affected by sky lines within the BI integration range (meta.code)
  Mg2ST  (n) MgII Number of pixels affected by sky lines within any BAL troughs (meta.code)
  Mg2f  (n)Flags in the SiIV results: incomplete BI coverage (1), manual changes made because of bad pixels (2), poor NMF fit (4), or broad region of bad pixels (8) (meta.note)
  Si4f  (n)Flags in the SiIV results: incomplete BI coverage (1), manual changes made because of bad pixels (2), poor NMF fit (4), or broad region of bad pixels (8) (meta.note)
  Sloan  Display the SDSS data for this quasar (meta.ref.url)
  DR7  Details from the SDSS-DR7 catalog (Cat. II/294) (meta.ref.url)
  RAJ2000 deg Right ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column  
Adapt form
Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 0

Thanks for acknowledging the VizieR Service
Rules of usage of VizieR data

© UDS/CNRS

Contact