VizieR

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

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/932/76
  Lyβ dark gaps in z≲6 QSOs spectra (Zhu+, 2022)
ReadMe+ftp
2022ApJ...932...76Z
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/932/76/qsos(c)List of targets; table added by CDS from Paper I (Zhu+ 2021, J/ApJ/923/223) (42 rows)
2.J/ApJ/932/76/fig3Observed Lyβ dark gaps (Data behind Figure 3) (195 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) QSO name (meta.id;meta.main)
  (1)zem   [5.77/6.31] QSO redshift (src.redshift)
  (1)r_zem (char) Reference on zem (Note 1)   (meta.ref;src.redshift)
  (1)Source (char) Source of the spectrum used for dark gap statistics (Note 2)   (meta.code)
  (1)Inst (char) Instrument ("ESI" or "X-Shooter") (meta.id;instr)
  (1)S/N   [21/152] Signal-to-noise ratio (stat.snr)
  (1)File  Subset number in Figure 1 file names; column added by CDS (meta.id;meta.file)
  (1)S20  (n)Display data from Schindler+ 2020, J/ApJ/905/51 if any (meta.ref.url)
  (1)Ng  (n)Number of dark gaps detected for this QSO (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)Seq   [1/195] Index of the dark gap (meta.record)
  (2)zBlue   [5.44/6.02] Redshift of the dark gap's blue end (src.redshift)
  (2)f_zBlue (char) [a] Flag on zBlue (Note 1)   (meta.code;src.redshift)
  (2)zRed   [5.45/6.11] Redshift of the dark gap's red end (src.redshift)
  (2)f_zRed (char) [b] Flag on zRed (Note 1)   (meta.code;src.redshift)
  (2)l_L (char) [≥] Limit flag on L (meta.code.error)
  (2)L 1.475Mpc [1/39] Dark gap length in comoving Mpc/h (pos.distance;phys.size)
  (2)f_L (char) [c] Flag on L (Note 1)   (meta.code;pos.distance;phys.size)
  (2)l_TauEff (char) [≥] Limit flag on TauEff (meta.code.error)
  (2)TauEff   [3.2/6.8] Effective opacity of the dark gap (phys.absorption.coeff)
  (2)e_TauEff  (n) [0.1/0.5] Uncertainty in TauEff (stat.error;phys.absorption.coeff)

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