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/sourcesList of sources observed by ARO 12m and IRAM 30m telescopes; table added by CDS (286 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) (i) Source Name (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  Both  (n)Display data for sources with both ARO-12m and IRAM-30m detections (link to Table 2) (meta.ref.url)
  Nr  (n)Number of ratio measurements (link to Table 1) (meta.ref.url)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
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usage  Display UCD1+    UCD1  
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