VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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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/ApJ/679/962
  Quasars with strong nitrogen emission lines (Jiang+, 2008)
ReadMe+ftp
2008ApJ...679..962J
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/679/962/table1SDSS DR5 N-rich quasar catalog (293 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) Quasar identification (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  z  SDSS redshift (src.redshift)
  imag mag SDSS i band magnitude, corrected for Galactic extinction. (phot.mag;em.opt.I)
  alpha  Power-law continuum slope (spect.index)
  [NIV] 0.1nm (n) [NIV] (1486) equivalent width (spect.line.eqWidth)
  [NIII] 0.1nm (n) [NIII] (1750) equivalent width (spect.line.eqWidth)
  SiIV 0.1nm (n) SiIV (1396) equivalent width (spect.line.eqWidth)
  CIV 0.1nm (n) CIV (1549) equivalent width (spect.line.eqWidth)
  [CIII] 0.1nm (n) [CIII] (1909) equivalent width (spect.line.eqWidth)
  MgII 0.1nm (n) MgII (2800) equivalent width (spect.line.eqWidth)
  Fe/Mg  (n) The FeII/MgII ratio (spect.line.intensity;arith.ratio)
  2500MAG mag Absolute AB mag at rest-frame 2500Å (phys.magAbs)
  R  (n) Radio loudness (Note 2)   (phot.flux;arith.ratio)
  qso7  SDSS-DR7 data from Schneider et al. 2010 (Cat. VII/260) for this quasar (meta.ref.url)
  Sloan  Display the SDSS data for this quasar (meta.ref.url)
  Simbad  ask the Simbad data-base about this object
  NED  ask the NED data-base about this object
  _RA deg (i) Position, derived from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position, derived from SDSS name (declination part) (pos.eq.dec;meta.main)

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