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VizieR

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

  
Target dimension:

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J/ApJ/732/110
  SDSS 2175Å extinction bump candidates (Jiang+, 2011)
spectrum
Post annotation
img(gal)
1.J/ApJ/732/110/absorbers2175Å absorber candidates with High-confidence (5σ level significance), Median-confidene (4σ level significance), Low-confidence (3σ level significance). (39 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 identification (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  S (char) High (5σ), Median (4σ) or Low (3σ) confidence absorber candidates (tables 3-5) (meta.ref.url)
  zem   [1.18/2.04] Schneider et al. 2010, Cat. VII/260, emission line redshift (src.redshift;pos.heliocentric)
  zab   [1.00/1.85] Prochter et al. 2006, Cat. J/ApJ/639/766, absorption line redshift (src.redshift;pos.heliocentric)
  EW 0.1nm MgII (2796) equivalent width; in Angstroms (Note 1)   (spect.line.eqWidth)
  D(g-i) mag Relative (g-i) color of background quasar (phot.color)
  e_D(g-i) mag Uncertainty in D(g-i) (stat.error)
  c1 mag c1 parameter (Note 2)   (stat.fit.param)
  e_c1 mag c1 uncertainty (stat.error)
  c2 mag c2 parameter (Note 2)   (stat.fit.param)

ALL cols
    
 (i)indexed column
  e_c2 mag c2 uncertainty (stat.error)
  c3 mag c3 parameter (Note 2)   (stat.fit.param)
  e_c3 mag c3 uncertainty (stat.error)
  x0 um-1 Peak position of Drude profile (x0) (Note 2)   (pos;stat.max)
  e_x0 um-1 x0 uncertainty (stat.error)
  gamma um-1 FWHM of Drude profile (γ) (Note 2)   (stat.fit.param)
  e_gamma um-1 (n) Uncertainty in gamma (stat.error)
  Chi2  χ2ν (stat.fit.chi2)
  Sig  Significance (σ) (Note 3)   (stat.fit.goodness)
  DR7qso  Data from SDSS-DR7 quasar catalog (Schneider et al. 2010, Cat. VII/260) (meta.ref.url)
  Sloan  Data from SDSS online data for this quasar (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref)
  NED  ask the NED data-base about this object (meta.ref)
  _RA deg (i) Position from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position from SDSS name (declination part) (pos.eq.dec;meta.main)

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