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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/ApJ/843/30
  MgII line vs 3000Å continuum analysis in 68 QSOs (Zhu+, 2017)
spectrum
Post annotation
img(gal)
1.J/ApJ/843/30/table1*Sample data[spectrum] (Note) (2420 rows)
2.J/ApJ/843/30/qsos(c)List of unique quasars; table added by CDS (69 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)ID  Identification number of our data pairs in this paper (meta.id)
   (ALL)SDSS (char) SDSS object name (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  (1)Plate  SDSS Plate number (meta.id;instr.plate)
  (1)Fiber  SDSS Fiber number (meta.id)
  (1)MJD d Modified Julian Date of observation (time.epoch)
  (1)EW   [18.4/195.5] Broad Mg II equivalent width (Note 1)   (spect.line.eqWidth)
  (1)logMg2 [10-7W] [36.8/42.5] log narrow MgII line luminosity (Note 2)   (phys.luminosity)
  (1)logNe4 [10-7W] [0/42.3] log Ne IV (3426Å) line luminosity (Note 2)   (phys.luminosity)
  (1)logO2 [10-7W] [40.4/45.1] log O II (3726, 3729Å) line luminosity (Note 2)   (phys.luminosity)
  (1)logNe3 [10-7W] [40.4/42.4] log NeIII (3869Å) line luminosity (Note 2)   (phys.luminosity)

ALL cols
    
 (i)indexed column
  (1)logO3 [10-7W] [0/43.4] log OIII (5008Å) line luminosity (Note 2)   (phys.luminosity)
   (ALL)z   [0.6/1.5] Improved quasar redshift from DR7Q and DR12Q (src.redshift)
  (1)log3000 [10-7W] [43.7/45.7] log 3000Å continuum luminosity (Note 2)   (phys.luminosity)
  (1)Cat (char) Quasar catalog observation is included in (obs.param;obs)
  (1)Nr   [1/5] Number or narrow-lines used in final flux recalibration (meta.id)
  (1)Sp (char) Interactive spectrum from SDSS (meta.ref.url)
  (2)Ns  (n)Number of spectra for this quasar (meta.number)
  (2)DR12Q  (n)Display data from the SDSS quasar catalog -DR12 (VII/279) within 1" (meta.ref.url)
  (2)DR7+DR12 (char) Display data from the SDSS photometric catalog -DR7 (II/294) and -DR12 (V/147) within 0.5" (meta.ref.url)
  (2)Sloan (char) Display the online SDSS data for the nearest object (meta.ref.url)
  (2)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  (2)NED (char) ask the NED data-base about this object (meta.ref.url)
  (2)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  (2)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

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