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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (153007 rows)
  recno=135515
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ColumnValue  Explain   (UCD)
_RAJ200021 06 52.4300 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+43 14 24.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195021 05 01.7815 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+43 02 18.196 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon085.6550301 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -2.8000236 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
135515recno 135515  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS21069+4314  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTDT2759  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11991 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1102 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2119 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.50 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.890 mag Magnitude of First Component (phot.mag;em.opt)
mag211.00 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -6 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -1 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -6 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -1 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)
RAJ200021 06 52.43 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+43 14 24.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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