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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154252 rows)
  recno=47216
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ColumnValue  Explain   (UCD)
_RAJ200007 30 47.2600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+48 10 22.600 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 27 04.4030 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+48 16 48.111 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon170.0022347 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+26.1795857 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
47216recno 47216  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS07307+4813  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscWNO 49  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompBa,Bb  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11969 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 5  Number of Observations (up to 9999) (meta.number)
pa1162 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2318 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag115.500 mag Magnitude of First Component (phot.mag;em.opt)
mag215.50 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeDC9+DC9  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -22 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-127 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -22 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2-127 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesNO P   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200007 30 47.26 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+48 10 22.6 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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