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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (145660 rows)
  Disc=STF1744, Comp=AC
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ColumnValue  Explain   (UCD)
_RAJ200013 23 55.4200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+54 55 31.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195013 21 54.7969 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+55 11 09.684 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon113.1111207 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+61.5790862 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
75954recno 75954  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS13239+5456  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSTF1744  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11831 yr Date of first satisfactory observation (time.epoch)
Obs22013 yr Date of last satisfactory observation (time.epoch)
Nobs 12  Number of Observations (up to 9999) (meta.number)
pa1 72 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 70 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1720.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2706.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 2.23 mag Magnitude of First Component (phot.mag;em.opt)
mag2 4.01 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA1VpSrSi  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 121 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -22 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 119 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -18 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesNV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!] indicates a position derived from WDS name (meta.note)
RAJ200013 23 55.42 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+54 55 31.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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