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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/843/30
  MgII line vs 3000Å continuum analysis in 68 QSOs (Zhu+, 2017)
ReadMe+ftp
2017ApJ...843...30Z
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/ApJ/843/30/qsosList of unique quasars; table added by CDS (69 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)
  Ns  (n)Number of spectra for this quasar (meta.number)
  SDSS (char) (i) SDSS object name (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  z   [0.6/1.5] Improved quasar redshift from SDSS DR7Q and DR12Q (as in table 1) (src.redshift)
  DR12Q  (n)Display data from the SDSS quasar catalog -DR12 (VII/279) within 1" (meta.ref.url)
  DR7+DR12  Display data from the SDSS photometric catalog -DR7 (II/294) and -DR12 (V/147) within 0.5" (meta.ref.url)
  Sloan  Display the online SDSS data for the nearest object (meta.ref.url)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  NED  ask the NED data-base about this object (meta.ref.url)
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

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