VizieR

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

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/660/1093
  Weak MgII absorbers at 0.4<z<2.4 (Narayanan+, 2007)
ReadMe+ftp
2007ApJ...660.1093N
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/660/1093/table1(c)UVES/VLT archive QSO data set (143 rows)
2.J/ApJ/660/1093/table2Weak MgII systems detected (116 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) Target name (meta.id;meta.main)
  (1)n_QSO (char) M indicates weak MgII systems detected in table2 (meta.ref.url)
  (1)z  Quasar redshift (src.redshift)
  (1)Vmag mag (n) Quasar V magnitude (phot.mag;em.opt.V)
  (1)n_Vmag (char) [g] g when SDSS-g magnitude (meta.note)
  (1)lam1 0.1nm (n) First value of wavelength coverage interval (instr.bandwidth)
  (1)lam2 0.1nm (n) Second value of wavelength coverage interval (instr.bandwidth)
  (1)Set1  (n) Cross-disperser setting (instr.setup)
  (1)Set2  (n) Cross-disperser setting (instr.setup)
  (1)Texp s Exposure time (time.duration;obs.exposure)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Prog (char) Program ID (meta.id;obs)
  (1)PI (char) PI name of the program (obs.observer)
  (1)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  (1)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  (2)zabs  Redshift of the absorber (src.redshift)
  (2)Wr(2796) 0.1nm Measured rest-frame equivalent width of MgII λ2796Å (spect.line.eqWidth)
  (2)e_Wr(2796) 0.1nm rms uncertainty on Wr(2796) (stat.error)
  (2)Wr(2803) 0.1nm Measured rest-frame equivalent width of MgII λ2803Å (spect.line.eqWidth)
  (2)e_Wr(2803) 0.1nm rms uncertainty on Wr(2803) (stat.error)
  (2)DR  Doublet ratio given by Wr(2796)/Wr(2803) (spect.line.intensity;arith.ratio)
  (2)e_DR  rms uncertainty on DR (stat.error)
  (2)Z(Wr,DR)  (n) Cumulative redshift path length (Note 1)   (instr.bandpass)

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