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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (149730 rows)
  recno=76019
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ColumnValue  Explain   (UCD)
_RAJ200012 51 05.2800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+71 18 30.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 49 23.0748 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+71 34 44.712 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon122.9721457 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+45.8197795 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
76019recno 76019  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS12511+7117  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscLDS1759  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11966 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 4  Number of Observations (up to 9999) (meta.number)
pa1 17 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 18 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 4.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 3.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag117.50 mag Magnitude of First Component (phot.mag;em.opt)
mag217.70 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1-790 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 71 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
Notes    [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200012 51 05.28 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+71 18 30.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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