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/ApJS/249/6
  Galactic interstellar ratio 18O/17O. I. (Zhang+, 2020)
ReadMe+ftp
2020ApJS..249....6Z
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/249/6/table1Isotopic ratios of large sample of molecular clouds (626 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Name (char) Source Name (meta.id;meta.main)
  m_Name (char) Velocity component of the source (meta.code.multip)
  Flag   [0/1] 1=absorption features close to the emission in the spectra (meta.code.error)
  f_Name (char) Flags on individual sources (Note 1)   (meta.code)
  RAJ2000 "h:m:s" (n)(i) Hour of Right Ascension (J2000) (Note 2)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (n)(i) Degree of Declination (J2000) (Note 2)   (pos.eq.dec;meta.main)
  Rgc kpc (n) [0/22.7] Galactocentric distance (pos.distance;pos.galactocentric)
  Dist kpc (n) [0.1/14.2] Heliocentric distance (Note 2)   (pos.distance)
  Tel (char) Telescope used ("ARO" or "IRAM") (instr.setup)
  Line (char) Molecular species ("C17O" or "C18O") (meta.id;phys.mol)
  rms K (n) [0.006/0.3] Root-Mean-Square value in Tmb (stat.error)
  I-Tmb K.km/s (n) [0.06/70.1] Integrated line intensity of C18O and C17O (phot.flux.density)
  e_I-Tmb K.km/s (n) [0.01/1.2] Uncertainty in I-Tmb (stat.error)
  Tpeak K (n) [0.03/8.1] Line peak values (phys.temperature)
  Ratio  (n) [2.3/7.1] Frequency-corrected abundance ratio (phys.abund;arith.ratio)
  e_Ratio  (n) [0.04/2.2] Uncertainty in Ratio (stat.error;arith.ratio)

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