VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN 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/923/223
  VLT/X-SHOOTER & Keck/ESI spectra of z∼5 QSOs (Zhu+, 2021)
ReadMe+ftp
2021ApJ...923..223Z
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/923/223/table1(c)QSO spectra used in this work (55 rows)
2.J/ApJ/923/223/table2Properties of dark gaps (1329 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)Seq   [1/55] Runing sequence number (meta.id)
   (ALL)QSO (char) (i) QSO designation (meta.id;meta.main)
  (1)zem   [5.5/6.6] QSO redshift (src.redshift)
  (1)r_zem (char) zem reference (Note 1)   (meta.ref;pos.frame)
  (1)Source (char) Source of the spectrum used for dark gap statistics (Note 2)   (meta.note)
  (1)Inst (char) Instrument ("X-Shooter" or "ESI") (meta.id;instr)
  (1)S/N   [21/224] Continuum signal-to-noise ratio (Note 3)   (stat.snr;spect.continuum)
  (1)B19  (n)Display data from Becker+ 2019, J/ApJ/883/163 (meta.ref.url)
  (1)Ndg  (n)Number of dark gaps for this QSO (link to Table 2) (meta.number)
  (1)SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (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)zBlue   [4.6/6.5] Redshift of the dark gap's blue end (src.redshift;pos.heliocentric)
  (2)f_zBlue (char) Flag on zBlue (Note 1)   (meta.code)
  (2)zRed   [4.6/6.5] Redshift of the dark gap's red end (src.redshift;pos.heliocentric)
  (2)f_zRed (char) Flag on zRed (Note 1)   (meta.code)
  (2)l_L (char) [≥ ] Limit flag on L (meta.code.error)
  (2)L 1.475Mpc [1/169] Dark gap length in comoving Mpc/h (pos.distance;phys.size)
  (2)f_L (char) Flag on L (Note 1)   (meta.code)
  (2)l_TauEff (char) [≥ ] Limit flag on TauEff (meta.code.error)
  (2)TauEff   [1.4/8.7] Effective opacity of the dark gap (phys.absorption.coeff)
  (2)e_TauEff  (n) [0.01/0.5] Uncertainty in TauEff (stat.error)
  (2)zMetalAbs (char) Redshift(s) of metal absorber(s) in the dark gap, if any (src.redshift;pos.heliocentric)

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