VizieR

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VizieR

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

  
J/MNRAS/440/799
  Low Ionization BALQSOs MgII and AlIII variability (Vivek+, 2014)
Post annotation
img(gal)
1.J/MNRAS/440/799/table2Source parameters measured from the data (22 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) QSO SDSS name (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  No  (n)Number of observations (table 1) (meta.number)
  Nw  (n)Number of equivalent widths (table 4) (meta.number)
  SName (char) (i) Short name (JHHMM+DDMM) (meta.id)
  n_SName (char) [+* ] Fe emission (Note 1)   (meta.note)
  zem   [0.5/2.0] Emission redshift (Note 2)   (src.redshift)
  zabs   [0.5/2.0] Absorption redshift (Note 3)   (src.redshift)
  Vmax km/s [1865/20747] Maximum velocity (Note 4)   (phys.veloc)
  <EW> 0.1nm (n) [3/33] Average MgII equivalent width (spect.line.eqWidth;stat.mean)
  n_<EW> (char) [a] a corresponds to average AlIII equivalent width in <EW> (meta.note)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  Lbol 10-7W Bolometric luminosity (Note 5)   (phys.luminosity)
  Mbh Msun Black hole mass (derived from Lbol assuming Eddington accretion) (phys.mass)
  Dm mag (n) Median variability Δm value (src.var.amplitude)
  e_Dm mag (n) standard deviation of Dm (stat.error)
  Slope mag/yr (n) Slope of Δm/Δt graph (stat.fit.param)
  e_Slope mag/yr (n) rms uncertainty on Slope (stat.error)
  Line (char) Absorption line(s) probed in this study (meta.id;spect.line)
  Sloan  Display the SDSS data for this quasar (meta.ref.url)
  _RA deg (i) Positions from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions 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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usage  Display UCD1+    UCD1  
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