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/ApJ/779/161
  MgII absorbers in 0.4<z<2.3 SDSS QSOs (Seyffert+, 2013)
ReadMe+ftp
2013ApJ...779..161S
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/ApJ/779/161/table1(c)Sightline summary (79595 rows)
2.J/ApJ/779/161/table2MgII doublet systems summary (35629 rows)

Simple ConstraintList Of Constraints
 
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)
   (ALL)QSO (char) (i) Adopted MJD-plate-fiber QSO identifier (meta.id;meta.main)
  (1)RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
   (ALL)zQSO   [0.3/5.4] QSO redshift (Note 1)   (src.redshift;pos.heliocentric)
  (1)<S/N>   [4/78] Median signal-to-noise (Note 2)   (stat.snr)
  (1)fBAL   [0/4] Binary BAL flag (Note 3)   (meta.code)
  (1)dXmax   [0/5] Maximum co-moving pathlength δXmax available in the sightline (src.redshift;arith.diff)
  (1)N2   [0/8] Number of candidate MgII doublets (table 2) (meta.number)
  (1)N   [0/7] Number of confirmed MgII doublets (meta.number)
  (1)dXMg  (n) [0.02/0.5] Pathlength δXMgII blocked by NMgII doublets in the sightline (src.redshift;arith.diff)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)PapI  (n)1: QSO already studied in Paper I (CIV absorbers; Cooksey et al. 2013, J/ApJ/763/37) (meta.code)
  (1)DR7 (char) Display the SDSS-DR7 photometric (II/294) and quasar (VII/260) data within 1" (meta.ref.url)
  (1)Sp (char) Interactive spectrum from SDSS (meta.ref.url)
  (1)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  (1)NED (char) ask the NED data-base about this object (meta.ref.url)
  (2)Code   [1/2] System code (Note 1)   (meta.code)
  (2)z2796   [0.3/2.3] MgII 2796Å line redshift (src.redshift)
  (2)f_z2796 (char) [a] Flag on z2796 (Note 2)   (meta.code)
  (2)W2796 0.1nm [-0.5/8.9] Rest equivalent width of MgII line (spect.line.eqWidth)
  (2)e_W2796 0.1nm [0.02/3] Uncertainty in W2796 (stat.error)
  (2)W2803 0.1nm [-0.7/19.5] Rest equivalent width of MgII 2803Å line (spect.line.eqWidth)
  (2)e_W2803 0.1nm [0.02/4] Uncertainty in W2803 (stat.error)
  (2)CW2796   [0.01/1] Completeness fraction of doublet (Note 3)   (meta.note)
  (2)e_CW2796   [0/0.8] Uncertainty in Comp (stat.error)

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