VizieR

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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJS/165/1
  BAL QSOs from SDSS DR3 (Trump+, 2006)
ReadMe+ftp
2006ApJS..165....1T
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Post annotation 		img(gal)
1.J/ApJS/165/1/table4SDSS DR3 BALQSO catalog (4843 rows)

Simple ConstraintList Of Constraints
 
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 DR3 Designation, HHMMSS.ss+DDMMSS.s, J2000 (meta.id;meta.main)
  Plate  Spectroscopic plate number (meta.id;instr.plate)
  ObsDate d MJD of spectroscopic observation (time.epoch)
  Fiber  Spectroscopic fiber number (meta.number;pos.parallax.spect)
  z  Redshift (src.redshift)
  imag mag SDSS PSF i magnitude (Note 1)   (phot.mag;em.opt.I)
  iMAG mag Absolute i magnitude (phys.magAbs)
  sType (char) Classification Subtype (Note 2)   (src.class)
  AI km/s Absorption index (Note 3)   (phys.absorption)
  e_AI km/s Error in AI (stat.error)

ALL cols		    
 (i)indexed column
  BI km/s Balnicity index (Note 4)   (spect.line.eqWidth)
  e_BI km/s Error in BI (stat.error)
  Ntemp  Best-fit template number (Note 5)   (meta.id)
  Sp+Index  Spectral index used by best-fitted template (spect.index)
  E(B-V)  Reddening used by best-fitted template (phot.color.excess)
  chi2  The χ20 value of the best fit (stat.value;meta.modelled)
  Ntr  Number of distinct BAL troughs (meta.number)
  Wtr km/s Widest BAL trough (spect.dopplerVeloc)
  Dtr  Deepest part of any BAL trough (phot.flux.density;arith.ratio)
  <Vel> km/s Weighted average velocity of BAL troughs (spect.dopplerVeloc)
  Vmax km/s Maximum velocity of BAL troughs from the emission line (spect.dopplerVeloc)
  S/N  SDSS spectrum S/N ratio in the i-band (stat.snr)
  SDSSdata  SDSS data from the SDSS site (meta.ref.url)
  _RA deg (i) Right ascension (derived from SDSS) for Eq=J2000 (pos.eq.ra;meta.main)
  _DE deg (i) Declination (derived from SDSS) for Eq=J2000 (pos.eq.dec;meta.main)

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