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/721/1
  Keck ESI observations of Ly{alpha} systems (Penprase+, 2010)
ReadMe+ftp
2010ApJ...721....1P
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/721/1/table1(c)SDSS-DR5 metal-poor DLA candidates (405 rows)
2.J/ApJ/721/1/table2(c)Targets observed, magnitudes, and exposure times (44 rows)
3.J/ApJ/721/1/table13Elemental abundances for DLA systems (35 rows)
4.J/ApJ/721/1/table14Column densities for the species CIV and SiIV (41 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  (1)SDSS (char) SDSS-DR7 IAU name of the QSO (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (1)A (char) A indicates that abundances and observations for DLA systems are given for this quasar (tables 2, 13 and 14) ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)zabs  Absorption redshift ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  (1+3+4)logNHI [cm-2] Log of the HI column density (stat.Fourier;phys.mol.quadrupole.magnetic;arith.diff;(unassigned))
   (ALL)QSO (char) (i) QSO designation as in other tables ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  (1)DR7+8 (char) Link to data from SDSS-DR7 and -DR8 photometric catalogs ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)Sloan (char) Display the SDSS online data for this quasar ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (1)Simbad (char) ask the Simbad data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion)
  (1)_RA deg Positions from SDSS name (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)_DE deg Positions from SDSS name (declination part) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)

ALL cols		    
 (i)indexed column
  (2+3+4)zDLA  DLA redshift ((unassigned);phys.atmol.qn.F;arith.grad;pos.parallax;meta.main)
  (2)RAJ2000 "h:m:s" Hour of right ascension (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (2)DEJ2000 "d:m:s" Degree of declination (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (2)Rmag mag R-band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (2)Exp08 s (n) Exposure time (2008) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);meta.main)
  (2)Exp07 s (n) Exposure time (2007) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);meta.main)
  (3)e_logNHI [cm-2] logNHI uncertainty ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  (3)l_[C/H] (char) Limit flag on [C/H] ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon;phys.polarization.stokes.Q)
  (3)[C/H] [-] (n) Abundance [C/H] ((unassigned);(unassigned);(unassigned);phys.polarization.stokes.Q)
  (3)f_[C/H] (char) [abc] Flag on [C/H] ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (3)l_[O/H] (char) Limit flag on [O/H] ((unassigned);(unassigned);(unassigned);pos.galactic.lon;phys.polarization.stokes.Q)
  (3)[O/H] [-] (n) Abundance [O/H] ((unassigned);(unassigned);(unassigned);phys.polarization.stokes.Q)
  (3)f_[O/H] (char) [abc] Flag on [O/H] ((unassigned);(unassigned);(unassigned);pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)l_[Si/H] (char) Limit flag on [Si/H] ((unassigned);(unassigned);(unassigned);pos.galactic.lon;phys.polarization.stokes.Q)
  (3)[Si/H] [-] (n) Abundance [Si/H] ((unassigned);phys.veloc.orbital;arith.diff;phys.polarization.stokes.Q)
  (3)f_[Si/H] (char) [abc] Flag on [Si/H] ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (3)l_[Al/H] (char) Limit flag on [Al/H] ((unassigned);(unassigned);(unassigned);pos.galactic.lon;phys.polarization.stokes.Q)
  (3)[Al/H] [-] (n) Abundance [Al/H] ((unassigned);(unassigned);(unassigned);phys.polarization.stokes.Q)
  (3)f_[Al/H] (char) [abc] Flag on [Al/H] ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (3)l_[Fe/H] (char) Limit flag on [Fe/H] ((unassigned);(unassigned);(unassigned);pos.galactic.lon;phys.reflectance)
  (3)[Fe/H] [-] (n) Abundance [Fe/H] ((unassigned);(unassigned);(unassigned);phys.polarization.stokes.Q)
  (3)f_[Fe/H] (char) [abc] Flag on [Fe/H] ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (3)l_[Mg/H] (char) Limit flag on [Mg/H] ((unassigned);(unassigned);(unassigned);pos.galactic.lon;phys.polarization.stokes.Q)
  (3)[Mg/H] [-] (n) Abundance [Mg/H] ((unassigned);(unassigned);(unassigned);phys.polarization.stokes.Q)
  (3)f_[Mg/H] (char) [abc] Flag on [Mg/H] ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (4)l_logNCIV (char) Limit flag on logNCIV ((unassigned);(unassigned);(unassigned);pos.galactic.lon)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)logNCIV [cm-2] Log of CIV column density ((unassigned);(unassigned);(unassigned);(unassigned))
  (4)e_logNCIV [cm-2] (n) logNCIV uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (4)l_logNSiIV (char) Limit flag on logNSiIV ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (4)logNSiIV [cm-2] (n) Log of SiIV column density ((unassigned);(unassigned);(unassigned);(unassigned))
  (4)e_logNSiIV [cm-2] (n) logNSiIV uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 8