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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

  
B/wds
  The Washington Visual Double Star Catalog (Mason+ 2001-2020)
If the WDS and associated databases were helpful for your research work, the following acknowledgement would be appreciated: "This research has made use of the Washington Double Star Catalog maintained at the U.S. Naval Observatory"
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img(gal)
1.B/wds/wds(c)The Washington Double Star Catalog (main part) (154252 rows)
2.B/wds/notesThe Washington Double Star Catalog (notes) (35451 rows)
3.B/wds/refsDiscoverer names and references (22921 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)Comp (char) Components when more than 2 (Note 1)   (meta.code.multip)
  (1)DEJ2000 "d:m:s" (n)(i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
   (ALL)Disc (char) Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
  (1)DM (char) Durchmusterung Number (Note 3)   (meta.id)
  (1)mag1 mag (n) Magnitude of First Component (phot.mag;em.opt)
  (1)mag2 mag (n) Magnitude of Second Component (phot.mag;em.opt)
  (1)Nobs  Number of Observations (up to 9999) (meta.number)
  (1)Notes (char) [B-Z ] Notes about the binary (Note 4)   (meta.note)
  (1)n_RAJ2000 (char) [!P] indicates a position derived from WDS name (meta.note)
  (1)Obs1 yr (n) Date of first satisfactory observation (time.epoch)
  (1)Obs2 yr (n) Date of last satisfactory observation (time.epoch)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)pa1 deg (n) Position Angle at date Obs1 (Note 2)   (pos.posAng)
  (1)pa2 deg (n) Position Angle at date Obs2 (Note 2)   (pos.posAng)
  (1)pmDE1 mas/yr (n) Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
  (1)pmDE2 mas/yr (n) Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
  (1)pmRA1 mas/yr (n) Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
  (1)pmRA2 mas/yr (n) Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
  (1)RAJ2000 "h:m:s" (n)(i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)sep1 arcsec (n) Separation at date Obs1 (pos.angDistance;src.orbital)
  (1)sep2 arcsec (n) Separation at date Obs12 (pos.angDistance;src.orbital)
  (1)SpType (char) Spectral Type (Primary/Secondary) (src.spType)
   (1+2)WDS (char) (i) WDS name (based on J2000 position) (meta.id;meta.main)
   (2+3)RefCode (char) Reference code (meta.ref;pos.frame)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3)Text (char) Text of note (meta.note)
  (3)E (char) E column (meta.code)
  (3)Meth (char) Method(s) (meta.code;obs)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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Rules of usage of VizieR data

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